求解一道GWD语法题

eliasfan

GWD3-Q34:
Shoppers in sporting goods stores, unlike in department stores, do very little impulse shopping, not buying a pair of skis and a boomerang when they come in for a basketball, but they leave with a basketball only.

A.in department stores, do very little impulse shopping, not buying a pair of skis and a boomerang when they come in for a basketball, but they leave with a basketball only

B.in department stores, shop impulsively very little; someone who comes in for a basketball will leave with a basketball only and not also buy a pair of skis and a boomerang as well

C.those in department stores, do very little impulse shopping, do not buy a pair of skis and a boomerang when they come in for a basketball, but leave with only a basketball

D.those in department stores, do very little impulse shopping; someone who comes in for a basketball will leave with a basketball only and not buy a pair of skis and a boomerang as well

E.department stores, shop impulsively very little; someone will not buy a pair of skis and a boomerang when they come in for a basketball but will leave with only a basketball

eliasfan

The answer is D ,but I think C will be better, ..... do.....do......but leave ...
the structure is very clear

ing315

Maybe D is better.
Cuz C employs improper parellelism and didn't explain "impulse shopping"
D, instead, uses semicolon to further explain the characteristic  impulse shopping.