Small lions ____________ cubs, so ____________ the small tiger. [ ]

A. are, is called

B. is, are called

C. is called, are

D. are called, is

下图为电磁型电流继电器构成的电动机电流速断保护接线图的两种接线方式。

电动机电流速断保护接线方式，一般采用（）式接线。

A.单相

B.两相

C.三相

D.相间