我想請問各位
The photoperiodic response of algae actually depend on the duration of darkness,______
A the light is not on
B and not on light
C but is not on the light
D I s not no light ans:B 但我想請問為何不能選C 不知 is and depend 算不算平行?若不平行是否可改成but not on light 麻煩大家摟….