Revise the following sentences to correct the dangling or misplaced modifiers.

a$.$ The runner showed their medal to the coach who won the race. Revised sentence:

b$.$ After brushing my teeth, my tongue began to tingle.

Revised sentence:

c$.$ We all admired the room for the baby that Rajvir had painted.

Revised sentence:

d$.$ Hearing no further business, the meeting ended.

Revised sentence: