The father, along with his four children _______ Hangzhou. When they will be back ______ fixed.

A．have gone to, isn’t

B．had gone to, is not

C．went to, aren’t

D．has gone to, has not been

关于肛提肌的组成从前内向后外分别为()

A．耻尾肌、髂尾肌和坐尾肌

B．耻尾肌、髂尾肌和球海绵体肌

C．坐尾肌、耻尾肌和球海绵体肌

D．坐尾肌、耻尾肌和坐骨海绵体肌

E．耻尾肌、髂尾肌和坐骨海绵体肌