Correct

打问号

/ dá wènhào /
Strokes

Example

As a Verb

put a question mark—raise a question about; express doubts about

1
men
我们
duì
duìfāng
对方
de
chéng
诚意
le
wènhào
问号

We had doubts about the sincerity of the other party.

2
de
qián
前途
hái
de
shàng
大大
de
wènhào
问号

A big question mark hangs over his future. / Over his future stands a gigantic question mark.