.A 78-year-old retired engineer has built a capsule hotel for Beijing’s “ant tri

.A 78-year-old retired engineer has built a capsule hotel for Beijing’s “ant tribe”. Among the 6 volunteers to try out the apartments on April 3____ Sun Changyun, a college student from Shenyang.

A. were           B. are          C. was           D. is

试题答案

C