Which of the following descriptions of Dermanyssus gallinae is right （）

A.The infection of Dermanyssus gallinae does not cause a decrease of egg production rate in laying hens

B.Dermanyssus gallinae hiding in dark cracks and crevices during the day, and mainly suck blood at night

C.Dermanyssus gallinae belongs to endoparasite

D.Intermediate host is not required for the development of Dermanyssus gallinae

正确答案：Dermanyssus gallinae hiding in dark cracks and crevices during the day, and mainly suck blood at night