Answer:
The correct option is A. In a controlled experiment, experimental group is the group that experiences a test.
Explanation:
A controlled experiment is a kind of scientific method used to test for a certain hypothesis.
A control experiment comprises of a control group and an experimental group. The experimental group is the one in which tests are done. The control group is the one in which no changes are made.
The results deduced from the tests performed on the experimental group are declared by comparing them with the control group.
