Question

Even the paddles for the kayak comes in handy and is useful on the dunes.

A NO CHANGE
B came in handy and was
C comes in handy and are
D come in handy and are

Answer 1

D. come in handy and are

“Are” is used to show that the subject is plural; this reason also explains changing from “comes” to “come”.

“Even the paddles for the kayak come in handy and are useful on the dunes.”