关于独立主格的题

问题描述:

关于独立主格的题
On the top was the clear outline of a great wolf sitting still,ears( ) ,alert,listening.
A.pointed B.pointing C.are pointed D.are pointing
这个题我选B,
with all factors( ),we think this program may excel all the others in achieving the goal.
A.being considered B.considering C.considered D.are considered
这个题我选A,
麻烦有没有谁能给我解释一下为什么?

第一题:因为耳朵没法儿“指”什么.pointed是说“尖尖的,直竖的”的意思.
第二题:主语是we.