Read the sentence and answer the question.
The updated lease agreement made new stipulations about the guest policy, and Bill couldn’t help but wonder if the party he’d thrown a week ago had something to do with it.
Which of the following changes should be made to correct the sentence?
A
Replace the word "and" with "that."
B
Remove the comma after the word "policy."
C
Replace the comma after the word "policy" with a semicolon.
D
Correct as is.