This is an external conflict. An external conflict happens between a character, in this case the employee, and some external obstacle or challenge. This challenge can be a person, animal, thing, or something a bit more abstract like a deadline.
An internal conflict, on the other hand, is between the character and his or herself, perhaps due to opposing values or goals. In this case, the employee might be conflicted between working on the deadline or just quitting her job and moving to Bora Bora (she should choose the second one)
The correct answer for the question that is being presented above is this one: "c. Five." A student researcher should consult at least five varied sources for an 800- to 1,000-word research paper. It has to make sure that everything is okay and perfect.
My best guess is it is B. To enlighten with comparison of their souls with graves as the resting place for holocaust victims.