Which sentence needs a comma?

However I won't be going with you.

Whatever you want to do is fine with me.

Last one to the swingset is a rotten egg.

There are lots of good movies out now.

Respuesta :

Answer:

However, I won't be going with you

Explanation:

there should be a comma after however.

Answer:

A

Explanation:

This sentence needs a comma because it start with "however", is a conjunction.