Question

【题目】During the last three decades, the number of people participating in physical fitness programs __________ sharply.

A. was increasing B. has increased

C. had increased D. will be increasing

Answer 1

【答案】B

【解析】句意:在过去的三十年里,参加体育健身项目的人数激增。时间状语during the last three decades常与现在完成时连用，故应使用现在完成时。