Identify the option with verbs that do not agree with their subjects.
beavers not only communicate with each other by making sounds with their mouths but also by slapping their big flat tails on the water. beavers creates ponds by building dams with roots, stones, sticks, and mud. the beaver’s social life is complex and focus around the female.
a. communicate, creates
b. creates, focus
c. communicate, is
d. making, slapping