Question

Which sentence does not contain any punctuation errors?

A.
Mr. Patterson is the man who will escort you.

B.
Mr. Patterson, is the man, who will escort you.

C.
Mr. Patterson is the man, who will escort you.

D.
Mr. Patterson is the man, who, will escort you.

Answer 1

MEDALS AWARDED

Answer 2

A would be correct.

Answer 3

Yes. A would be correct :)
It is in no need for commas

Answer 4

A is correct. An easy way to tell is when you read the sentence, do you find yourself pausing anywhere? In this case, when I read it, I never paused. That tells you that there are probably no commas :)