—Where did Helen go on vacation ?

— She            New York City.

A．goes

B．visits

C．went

D．visited

恶性卵巢肿瘤的主要转移途径是

A．直接侵犯和腹腔种植

B．腹腔种植

C．淋巴转移

D．血行转移

E．血行与淋巴转移为主