2道高中单选题、谢谢、以下各题希望得到详细的解答说明、谢谢!谢绝不相关的回答、请自重!1.Thinking of his

2道高中单选题、谢谢、
以下各题希望得到详细的解答说明、谢谢!
谢绝不相关的回答、请自重!
1.Thinking of his daught,who was killed in an accident,____.
A.his heart sank
B.tears came down his dace
C.he was in deep sorrow
D.we found his eyes full of tears
选哪个?为什么其它的不对?
2.Don't trust such people ____praise you to your face but speak ill of you behind your back.
A.who B.as
选哪个?为什么?