Under these desks are colorful wads of chewing gum.
select one:
a. subject=wads verb=are
b. subject= wads verb= chewing
c. subject= gum verb= chewing
d. subject= desks verb= are

The subject is gum, and the verb is chewing, so the answer is C

Explanation:

We know this because the sentence is talking about colorful gum, meaning it is the SUBJECT of the sentence, and, we know that "to chew", or "chewing" is a verb. Based on these facts, we can conclude that the subject is gum, and the verb is chewing.

Hope this helps! :)

  plan: i will begin with a quotation about the importance of unity in a community. then, i will state my claim that an activity will unite our school by creating a shared vision, purpose, and direction. in the body, i will use three main points that describe the different avenues the students can take: through a variety of clubs, through a special event, or through an awareness week. i will provide evidence about other towns that have unity activities and the kinds of events that they include. pictures will illustrate my three main points in action. for the ending, i will restate the main idea in a new way and pose a question to keep the audience thinking. 

an unbound book has no cover; paris is a single man

explanation: