John went to the hospital alone.If he ________ me about it, I would have gone with him.

A．should tell

B．tells

C．told

D．had told

目前世界银行等国际金融组织的贷款项目，大都要求在国际范围内（），并为此专门制定了选择咨询单位的规章、办法和程序。

A．邀请招标

B．公开招标

C．直接委托

D．竞争性谈判