Which option uses subordination to combine the following sentences? I downloaded the new software on Thursday. I spent Friday reviewing the basic features.
a. I downloaded the new software on Thursday, and I spent Friday reviewing the basic features.
b. I downloaded the new software on Thursday; moreover, I spent Friday reviewing the basic features.
c. I downloaded the new software on Thursday; I spent Friday reviewing the basic features.
d. After I downloaded the new software on Thursday, I spent Friday reviewing the basic features.