The answer is A: The research assignment came with explicit instructions on source citation.
Explicit= clear, exact, detailed, precise, understandable. An explit instruction is expressed in a way that is very clear.
Implicit= indirect, undeclared, unstated. It's suggested or understood without being stated directly.
B) explicit is not difficult to understand.
C) explicit meaning don't lead to varied interpretations.
D) Instructions shouldn't be implicit.
