Take a look at the item again:
Citing writer's block as the reason
(A) that she didn't have her
essay, (B)
Yao received no sympathy from Mrs. Santos.
(C) Who will only accept
"breather's block" as a legitimate excuse for late work.
You wanted to do this:
Citing writer's block as the reason that she didn't have her
essay. Yao received no sympathy from Mrs.
Santos. Who will only accept "breather's block" as a legitimate excuse for
late work.
Adding a period after essay creates a fragment. Citing writer's block ... is a participle phrase. It cannot stand alone as a complete sentence.
You might want to review the rules.
Go back to the sentence to try again.