Answer: The correct answer is C, as it the subject of the sentence.
Explanation:
Answer:
Grammar rules:
Use Active Voice. ...
Link Ideas With a Conjunction. ...
Use a Comma to Connect Two Ideas as One. ...
Use a Serial Comma in a List. ...
Use the Semicolon to Join Two Ideas. ...
Use the Simple Present Tense for Habitual Actions. ...
Use the Present Progressive Tense for Current Action. ...
Add -ed to Verbs for the Past Tense.
The abdomin...............................
Should shouldn’t should shouldn’t should
