Which compound sentence correctly combines the simple sentences?


We have a new computer at home. I e-mail my cousins a lot more often.

A.
We have a new computer at home, and I e-mail my cousins a lot more often.

B.
We have a new computer at home I e-mail my cousins a lot more often.

C.
We have a new computer at home; and I e-mail my cousins a lot more often.