A survey suggests that the royal wedding of Prince William and Kate Middleton _____ a great boost for British economy because a large number of visitors are expected to go.

A．will be

B．has been

C．was

D．be

选出下列中与其它组不同的一组[ ]

A．“请多关照”、“拜托了”、“承蒙关照”、“谢谢，麻烦您了”

B．“对不起”、“真过意不去”、“别叫了，烦死人了”、“请多包涵”

C．“祝您愉快”、“祝您成功”、“祝您健康”

D．“欢迎光临”、“您能来我们太荣幸了”、“希望您在这里开心”