To be wishy-washy and yell is not a way to refuse with confidence.
The correct option is A.
<h3>What is to be wishy-washy?</h3>
To be wishy-washy means to be indecisive and weak.
It means the person who can not take a firm stand or decision.
It also means lacking in purpose and ineffective.
Here, to be wishy-washy is not a way to refuse with confidence.
A confident person will say straight things and refuse the things which he does not like in a straightforward way.
Thus, the correct option is A, Be wishy-washy and yell.
Learn more about confidence, here:
brainly.com/question/2396419