—My house is very near a busy street.

—It             be very quiet.

A. can

B. must

C. can't

D. mustn't

对外贸易管制是政府一种强制性行政管理行为。我国对外贸管制按管制对象可分为货物进出口贸易管制、技术进出口贸易管制和国际服务贸易管制。