The correct answer is C.
A does not make sense as it "blocks" the whole section of choices.
B does not make sense either, it is trying to place parenthesis where no emphasis whatsoever needs to be given.
D is wrong because of the same things that are wrong with B.
C is correct because it correctly separates the letter choices from the answers, giving information with the correct context.
Answer:
include a summary of the main plot
Answer:
D.When does it occur?Explanation:I just did it and got it right:)))
C) "<span>a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . . in a computer's display unit
Hope this helps!</span>