Where is the mistake in this dialogue sentence?

Question

"I'm not sure if I can make it," he said "but I'll try to be there."
*
10 points
A. Missing a comma before "he said"
B. Missing a period after "he said"
C. Missing a comma after "he said"
D. The sentence is correct.

Answer 1

The mistake in the dialogue sentence is:

C. Missing a comma after "he said"

The correct form should be: "I'm not sure if I can make it," he said, "but I'll try to be there."