问题
选择题
She looked at us sadly with her eyes open as large as ________.
A．her sister
B．her sister’s
C．her sisters’
D．that of her sister
答案
答案：B
题目分析：句意：她把她的眼睛睁的和她姐姐的眼睛一样大，悲伤地看着我们。单数名词所有格的表达方式：在名词后加’s，而D项要用those of her sister，因为眼睛是复数。故选B。