题目:
Because of the sharp increases in the price of gold and silver, the value of Monica Taylor's portfolio rose as her daughter-in-law's dropped.
选项:
A、as her daughter-in-law's dropped
B、while her daughter-in-law's has dropped
C、as there was a drop in her daughter-in-law's
D、while that of her daughter-in-law's dropped
E、as it dropped for her daughter-in-law's
答案:
D