Question

Select the correctly punctuated sentence in this group.

a. Raoul hasn't been able to keep up with his courses because he took on too many extracurricular activities.
b. Raoul hasn't been able to keep up with his courses, because he took on too many extracurricular activities.
Please select the best answer from the choices provided
A
B

Answer 1

a

Step-by-step explanation:

Answer 2

A.
The comma is not necessary after courses since courses is not a coordinating conjunction.