Such a fierce dog that we had to wait outside before we could get into his yard.
A. has he had
B. did he have
C. he has
D. he has had
网友回答
A. has he had
(答案→)B. did he have
C. he has
D. he has had
解析：考察倒装句。当such+名词；或者so+形容词/副词；放在句首的时候，后面的主句要使用部分倒装的形式。句意：他有一条如此厉害的狗，以至于我们不得不在外面等。本句中没有反应出过去发生的事情对现在的影响，故不需要使用现在完成时。故B正确。