Testing Quizzes Manual QA Testing

Question:
A tester is executing a test to evaluate that it complies with the user requirement that a certain field be populated by using a dropdown box containing a list of values. Tester is performing:

Option A):
Black-box testing
Option B):
Regression testing
Option C):
Load testing
Option D):
White-box testing

Correct Answer is Option A):
Black-box testing