_____ your meeting is! he offered them his sincere congratulations.
A.How a great success
B.What a great success
C.How great success
D.What great success
网友回答
B解析success 名词，保留远动词含义成功是不可数名词；如用来代替具体的人（成功者）或具体的事（成功的事情（东西））是可数名词。故排除C,D；A中how是副词，如改成how great a success就是正确的。