7) The form asks, What essential question(s) are you studying and how will this video relate to them? This is MOST LIKELY
A)
to check that the video is not too hard to understand.
B)
to check that the video is related to class activities.
to check that the students are old enough to see the
video.
D)
to check that the students will have a chance to
discuss the video.

I think its A

Explanation:

Because its asking if that video is not too hard to understand , in other words its telling us that the students need to discuss it in other to understand better

taking into account that a theme is the central topic a text treats and can be developed through a story, play, poem etc. the following are themes that can be further developed:  

my best friend jeffrey has many unusual interests. (the story could be about each of the unususal interests)

once a man gives his soul over to evil, he can never go back. (this could be a saying or a proverb)

the three sheepdogs lay around the yard all day. (it could be developed detailing how each of these sheepdogs lay around)

a priest's collar has an unusual effect upon people. (it could be developed detailing the different effect upon people)

innocence is a powerful force in a world full of corruption. (it could be developed detailing how is a world full of corruption)

king lear is a play shakespeare wrote later. (it is just a sentence and doesnt give any idea or topic to be discussed in details.

evil often wears the disguise of innocence. (this could be a saying or a proverb)