分类：教育/科学-学习帮助
问题：englishYouonlythinkofyourself.I' 
You only think of yourself.I've been waing you for two hours---I'm sorry you __think so.Ashould B could C may Dwould
回答：should 
表示"推测或可能性"。如:

　　The report is written after careful investigation, so it should be reliable.

　　这份报告是经过周密调查后写成的,所以应该可靠。

　　Let's go, the library should be open by now.

　　咱们走吧,图书馆现在应该开门了。

$所以用A