疑难……请说明原因……
NO.1：My leather tennis shoes are worn out,I need another pair.
___,let's go to the shop.
A:me too B:How do you do.
C:ok D:sure
NO.2：hello!I haven't seen you for years!
oh,john!____
A:How are you B:How do you do
C:How about you D:What are you
请给予具体解答,详尽些,莫只一个选项就完事,给俺一个理由好咩?
小民稽首.