Answer: A. Editor
B. Readers
C. Publish
Explanation:Once an author submits his or her paper to a journal, editor evaluate the paper. If they determine that it may be a good candidate for publication, the paper is sent to several experts, or readers, for review. If an editor agrees with their recommendation to publish the paper, the editor and author work together to revise the paper for publication, usually based on feedback from the referees.
A subject is the one being discussed in the sentence. In the question about, Who functions as the subject. It is the receiver of the action-- <em>left a pair of mittens on the ground. </em>The direct object is the <em>pair of mittens</em>. It's not possessive because it's not asking about ownership. <em>Park </em>is the object of the preposition.
ANSWER: A
I'm pretty sure it's ABCB