问题补充:
is often the case with elder people, my grandma talked about my new hairstyle for at least 30 minutes.
A. What
B. Which
C. As
D. It
答案:
A. What
B. Which
(答案→)C. As
D. It
解析:考查非限制性定语从句:句意:老人经常是这样的:我奶奶总不停说我的新发型,已经说了至少50分钟。as此处引导非限制性定语从句,指代后面的内容。在定语从句中as做主语,as意为“正如”。选C.