Question

Which is the best correction of the sentence fragment? Was certain that the door was left open.

a. Since my mom was certain that the door was left open.
b. That the door was left open; my mom was certain.
c. My mom was certain that the door was left open.
d. My mom was certain. That the door was left open.

Answer 1

C. is the answer. Unlike all the others, it is a complete sentence