Question

--- I was walking along the street and all of a sudden, a car cut in and knocked me down．
--- You can never be ______ in the street．

A．careful enough

B．much careful

C．very carefully

D．too carefully

Answer 1

A

cannot/never … enough ... 意思是：再...也不为过; You can never be careful in the street意思为：你在街上再小心都不为过。而其他选项不符合整段话的语境。