Choose the closest paraphrased version after the following sentence or the italicized part.
A cross response signals that the parents are in inner conflict.（ ）
A.正确答案D… the parents are usually sorry when they respond angrily.
B.… the parents are sure they are right in responding angrily.
C.… the parents are not certain that the best way is to respond angrily.
D.… the parents are not sure whether or not they should respond angrily.
