Read the sentences and complete the question that follows.
Volunteering is a good thing to do. It allows you to help others and gain valuable experience.
Which two choices correctly combine the sentences?
A) Volunteering is a good thing to do, it allows you to help others and gain valuable experience.
B) Volunteering is a good thing to do; it allows you to help others and gain valuable experience.
C) Volunteering is a good thing to do; and it allows you to help others and gain valuable experience.
D) Volunteering is a good thing to do, indeed, it allows you to help others and gain valuable experience.
E) Volunteering is a good thing to do; indeed, it allows you to help others and gain valuable experience.

(I know B. I'm between D and E. Thanks!)