化疗药物对下列哪种女性生殖器恶性肿瘤疗效最好

A．卵巢癌

B．子宫体癌

C．子宫颈癌

D．子宫肉瘤

E．绒毛膜癌

—_________does Tom exercise? —Every day.

A．How often

B．How many

C．How long

D．How far