Most of us use roadblocks from time to time. Some common mistakes we make might include:

Choose one answer.

ANot asking for clarification when you know you don't understand what is being said.
BSmiling even though you are really upset.
CAssuming you know what is going to be said.
DAll of the above.

Verified Answer :

The best and most correct answer among the choices provided by your question is the fourth choice or letter D.

All of the given choices are common mistakes we make might include on the use of roadblocks.

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the best choose would be the second one