问题补充：
A new regulation has passed forbidding supermarkets and stores to free plastic bags to shoppers.
A. give off
B. give in
C. give out
D. give up
答案：
A. give off
B. give in
(答案→)C. give out
D. give up
解析：考察动词短语辨析。A发出（光，烟，气味）；B屈服，让步；C分发，筋疲力尽；D放弃；句意：一项禁止超市向顾客免费分发塑料袋的禁令已经通过了。根据句意说明C正确。
