The feeling of competition among the students in all the classrooms where the test was going on was noticeable to everyone.

A．discord

B．discovery

C．rivalry

D．cooperation

日本商人从北京购买地毯，陆运至香港，再空运经日本到伦敦，其运抵国(地区)为______。

A．日本
B．香港
C．伦敦
D．英国