Select the most appropriate option to substitute the highlighted segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
Please hear to what I am saying.

Correct option is B

The correct substitution of the highlighted words is (b) listen to what.
The correct phrase is 'listen to what I am saying.' 'Listen to' is the appropriate phrase; 'hear to' is incorrect.
In English, we typically use "listen to" when asking someone to pay attention to what we are saying.