Select the Revised Sentence with Parallel Structure

Multiple Choice

Select the revised sentence with parallel structure.
-The teen's biggest fears were failing a class, being alone, and speaking in front of others.

A) The teen's biggest fears were failing a class, loneliness, and public speaking.
B) The teen's biggest fears were getting failing a class, being alone, and public speaking.
C) The teen's biggest fears were failing a class, being alone, and public speaking.
D) The teen's biggest fears were failing a class, loneliness, and speaking in front of others.