问题补充：
A new regulation has passed for bidding 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：句意：一项新的规则通过了：禁止超市和商店向购物者发放免费的塑料袋。A 发出（光等）；B 屈服，让步；C 发出，分发；D 放弃，交出。根据句意，结合短语的意思，故选 C 。
考点: 考查动词短语的用法。
