Answer:
I believe the answer is D, im not overly familiar with these questions but D makes scene because the questions on the test are just slightly alternated shows how simple task my change the workers behavior.
Explanation:
For 1)put a comma after the word homework.
In fact, they apply only to personal pronouns, possessive pronouns, and reflexive pronouns. It is only in these types, too, that gender differences are shown (personal he/she, possessive his/hers, reflexive himself/herself). ... Many of the pronouns listed above also belong to another word class - the class of determiners.
Pronouns @ The Internet Grammar of English - UCL
It can cause social confusion