问题补充：
--- What is Nancy doing now?
--- She, with her parents, some shopping.
A. do
B. does
C. is doing
D. are doing
答案：
A. do
B. does
(答案→)C. is doing
D. are doing
解析：句意：--Nancy在做什么呢？--她和她的父母正在购物。句中 with her parents做伴随状语，而不是并列主语，句中的主语是She，因为问句中是now，所以是现在进行时态。故选C。.
