Ants Are Often Associated with Aphids, Small Insects That Feed

Ants are often associated with aphids, small insects that feed on plants. The ants obtain nutritious honeydew from the aphids, and in return the ants protect the aphids from predatory insects. If the mutualism between aphids and ants broke down such that the ants no longer protected the aphids,

A) aphids would produce more honeydew.
B) aphids would have higher fitness.
C) plants would be damaged more by the aphids.
D) plants would be damaged less by the aphids.