So far this year, no measures _______ against cruelty to animals despite their protest in the

newspaper.

A．have taken

B．have been taken

C．had been taken

D．had taken

泌尿、男生殖系感染的致病菌是（）

A.革兰阴性杆菌

B.革兰阳性杆菌

C.革兰阴性球菌

D.革兰阳性球菌

E.炭疽杆菌