The author mentions all of the following as important to a good speech EXCEPT
A.good command of English vocabulary
B.the careful selection of words used
C.the use of allusions and metaphors
D.straightforward and precise delivery

A.good
B.the
C.the
D.straightforward

【参考答案】

C
解析：文章第四句提到，文体不仅仅不能无意义地浮夸，而且也不能用低晦涩的词汇、松散不连贯的比喻。