1.as a boy,james watt,who invented the steam engine later,__

1.as a boy,james watt,who invented the steam engine later,____questions A always asks B has always
1.as a boy,james watt,who invented the steam engine later,____questions A always asks B has always asked C was always asking D had always asked选C 为什么
2.It ____ten years since he left shanghai .A were B is Chad been D will be 选B
为什么