问题补充：
——What can I do for you, sir?
——I want .
A. a dime’s worth of candy
B. candy a dime’s worth
C. a dime worth of candy
D. a dime-worth candy
答案：
A. a dime’s worth of candy
(答案→)B. candy a dime’s worth
C. a dime worth of candy
D. a dime-worth candy
解析：固定结构，a dime’s worth做后置定语。
