Tt's so dark.I can't find out__ it's a boy__a girl.A:if,and B:that,and C:either,or D :whether,or

Tt's so dark.I can't find out__ it's a boy__a girl.A:if,and B:that,and C:either,or D :whether,or
Tt's so dark.I can't find out__ it's a boy__a girl.A:if,and B:that,and C:either,or D :whether,or

Tt's so dark.I can't find out__ it's a boy__a girl.A:if,and B:that,and C:either,or D :whether,or
D.太黑了,我不能确定他是男是女.