（1）      大全782

The most common reasons for an employee's unwillingness to accept a transfer are that mortgage rates are high, housing in the new location costs more, and the difficulty of selling the old home.
A. that mortgage rates are high, housing in the new location costs more, and the difficulty of selling the old home
B. that mortgage rates are high, housing in the new location costs more, and that it is difficult to sell the old home
C. high mortgage rates, the greater cost of housing in the new location, and that the old home is difficult to sell
D. high mortgage rates, the greater cost of housing in the new location, and it is difficult to sell the old home
E. high mortgage rates, the greater cost of housing in the new location, and the difficulty of selling the old home

My answer is E.  (B should have "that" before "Housing in the new location costs more" and not as concise as E.  Correct?)

（7）      GWD30-Q29:

Researchers agreed that the study of new treatments for heart attack patients was extremely important but more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than the balloon procedure by itself.

 

1. more research was needed to determine that balloon angioplasty preceded with ultrasound was or was not any better for heart attack patients than

2. more research was needed for determining whether or not balloon angioplasty preceded by ultrasound is any better for heart attack patients than is

3. that more research was needed to determine whether balloon angioplasty preceded by ultrasound is any better for heart attack patients than

4. that more research was needed to determine that balloon angioplasty preceded with ultrasound was any better for heart attack patients than

My Answer is B. but not sure about "Whether or Not"  (C should not have that in the front)

（10）  GWD-18-Q11

In no other historical sighting did Halley’s comet cause such a worldwide sensation as did its return in 1910-1911.

1. did its return in 1910-1911

2. had its 1910-1911 return

3. in its return of 1910-1911

4. its return of 1910-1911 did

5. its return in 1910-1911

Why C is wrong?  

（22）  GWD-24-Q28
                            

Unlike most severance packages, which require workers to stay until the last day scheduled to collect, workers at the automobile company are eligible for its severance package even if they find a new job before they are terminated.

A) the last day scheduled to collect, workers at the automobile company are eligible for its severance package

B) the last day they are scheduled to collect, workers are eligible for it at the automobile company’s severance package

C) their last scheduled day to collect, the automobile company offers its severance package to workers.

D) their last scheduled day in order to collect, the automobile company’s severance package is available to workers.

E) the last day that they are scheduled to collect, the automobile company’s severance package is available to workers.

My answer is D ("People are scheduled to collect" reads awkward. is it on GMAT prep as well? GWD answer is E)

GWD-24-Q28
                                                    

I chose D ( E reads awkward “ People are scheduled to collect. Was it really on GMAT Prep? GWD answer is E though).

I chose D ( E reads awkward “ People are scheduled to collect. Was it really on GMAT Prep? GWD answer is E though).