Which one of what? You don't say the choices:)
It's not C. There should be a comma where the semi colon is
The correct answer that best fits the given statement above is the first option. In a Greek Drama, the purpose of the Prologue was to provide necessary backstory. It tells some earlier story and then links this to the main story. It is also the means to introduce the characters as well as their roles.
Answer:
synonym of many is numerous
Explanation:
When doing a multimedia presentation, the thing that one might be prepared about in advance in case the equipment failure during presentation is to keep giving the speech and using the chalkboard to provide the visuals. This will keep the people interested in listening without caring about the failed instrument.