中标候选人公示时间应不少于3日，但机电产品国际招标项目中标候选人公示时间为（）d。

A．5

B．7

C．10

D．14

(2014·兰州名校阶段检测)Many people believe that hunger is only a problem in the developing countries.________，it is a problem all over the world.

A．For one thing　

B．In addition

C．As well　

D．On the contrary