发达国家应该______自己的历史责任和当前人均排放高的现实，严格______《京都议定书》确定的减排目标，继续承担中期大幅量化减排义务。 填入横线部分最恰当的一项是( )。

A．承担 遵守

B．正视 履行

C．重视 遵守

D．直面 履行

Could you tell me_________？

A．where is the headmaster

B．whose camera it is

C．what Jack was happened

D．how long does it take you to your school?