Question

【題目】Our country has launched a campaign to ban smoking in public places, which with some heavy smokers.

A. concerns B. was concerned

C. concerned D. is concerned

Answer 1

【答案】D

【解析】D考查時態(tài)。句意：我們的國家已經(jīng)發(fā)起了一項禁止在公共場所吸煙的運動，這與一些煙癮很大的人有關(guān)。短語be concerned with“與…有關(guān)”，主句用了現(xiàn)在完成時態(tài)，which定語從句用一般現(xiàn)在時態(tài)，故選D。