Which of the following sentences contains a comma error?

We left early for the airport, but a terrible accident delayed us.

Before the game started the team, warmed up to energizing music.

After being infected with a virus, the computer hard drive crashed.

Our tiny canoe was overwhelmed by the sudden, intense storm.
@FluffehPandas

Question

Which of the following sentences contains a comma error? 

 We left early for the airport, but a terrible accident delayed us. 

 Before the game started the team, warmed up to energizing music. 

 After being infected with a virus, the computer hard drive crashed. 

 Our tiny canoe was overwhelmed by the sudden, intense storm.
@FluffehPandas

anonymous · Answer

B. Before the game started

anonymous · Answer

A comma is placed between two adjectives or is used to combine to sentence fragment together. So i would be B.

anonymous · Answer

If you read this out loud, it makes no sense and the other ones do! :) 
Also if you look up where to place a comma it doesn't match up.

anonymous · Answer

B!