I was walking along the street ____ suddenly something hit me on the head.A.if B.so C.when D.\

I was walking along the street ____ suddenly something hit me on the head.A.if B.so C.when D.\
I was walking along the street ____ suddenly something hit me on the head.
A.if B.so C.when D.\

I was walking along the street ____ suddenly something hit me on the head.A.if B.so C.when D.\
d
如果没有suddenly,那么就应该是c

d

选C，如果有逗号的话用D
初中的课本里应该有原话，可是我忘了是哪课
没事多背背课文

C
正在此时
D不合适，因为独立的两个句子之间应该有个连词