选择括号内恰当的单词或词组填空，使句意完整

小题1:——            （Which , Whose）schoolbag is that?

——It’s Tom’s.

小题2:—When did you hear the news?

—I know nothing about it              （until , after）my friend told me.

小题3:One of my friends              （are , is）a doctor.

小题4:My mother is feeling              （badly , terrible）. She must have a cold.

小题5:We’re OK. Don’t              （worried , worry）about us.

某小规模纳税工业企业2000年11月初“应交税金——应交增值税”账户借方余额为 2000元，当月购进材料100000元，取得的增值税专用发票注明的增值税额为17000元；当月销售产品800000元(不含税)。该企业本月应交增值税为( )元。

A．50000

B．46000

C．29000

D．33000