讨论一道题，急，明天考试了

gwd30－29

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.

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

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

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

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

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

答案选B，我选C，看着哪个都不好

support C

此题选C。OG有个题与此题相似，但考法相反，要根据逻辑意思来判断是否要在but后面加that。

28.   The rise in the Commerce Department’s index of leading economic indicators suggest that the economy should continue its expansion into the coming months, but that the mixed performance of the index’s individual components indicates that economic growth will proceed at a more moderate pace than in the first quarter of this year.

(A) suggest that the economy should continue its expansion into the coming months, but that

(B) suggest that the economy is to continue expansion in the coming months, but

(C) suggests that the economy will continue its expanding in the coming months, but that

(D) suggests that the economy is continuing to expand into the coming months, but that（E）

(E) suggests that the economy will continue to expand in the coming months, but

In choices A and B, the verb suggest does not agree with its singular subject, rise. In context, the phrase into the coming months in A and D is not idiomatic; in the coming months is preferable. In A, C, and D, the that appearing after but creates a subordinate clause where an independent clause is needed for the new subject, mixed performance. Choice E includes the correct verb form, suggests, eliminates that, and properly employs the future tense, will continue to expand. That this tense is called for is indicated both by the future time to which the coming months refers and by the parallel verb form will proceed in the nonunderlined part of the sentence. Choice E is best.