引起亚急性细菌性心内膜炎的细菌主要是 （）

A.草绿色链球菌

B.肺炎链球菌

C.流感嗜血杆菌

D.金黄色葡萄球菌

E.表皮葡萄球菌

Jeff goes to work _____and his wife goes to work         [ ]

A. by car;on her bike                      

B. by a car; her bike        

C. by cars; by bike                        

D. by his car; by bike