问题补充：
She didn’t have enough moneya present for her husband.
A. with which to buy
B. with that she bought
C. which she could buy
D. with buying
答案：
(答案→)A. with which to buy
B. with that she bought
C. which she could buy
D. with buying
解析：with which to buy a present for her husband=with which she could buy a present for her husband,这是定语从句的一种省略形式。
