The train hasn't arrived yet.Could you tell me _________?A why the train is late B that the train can come on time 选哪个?说明为什么我感觉A应该是过去式吧,B语法也没错误啊

The train hasn't arrived yet.Could you tell me _________?A why the train is late B that the train can come on time 选哪个?说明为什么我感觉A应该是过去式吧,B语法也没错误啊
The train hasn't arrived yet.Could you tell me _________?
A why the train is late
B that the train can come on time
选哪个?说明为什么
我感觉A应该是过去式吧,B语法也没错误啊

The train hasn't arrived yet.Could you tell me _________?A why the train is late B that the train can come on time 选哪个?说明为什么我感觉A应该是过去式吧,B语法也没错误啊
1.答案：A.
2.
1）could用在该句中只表示更加委婉礼貌的语气,并不表示过去时.
所以宾语从句并不需要使用一般过去时.
2）选B于语法于情理都不通.
问人家的时候,当然应该有疑问存在,所以其宾语从句必须是个疑问句,而不能是一个以that引导的陈述句；
B改成if/whether(是否) the train can come on time才对.