Which of the following sentences uses the active voice?
A.Waves were breaking over the railing, so lifejackets were put on quickly.
B.The best sailors somehow sense a coming wind shift and react almost before it happens.
C.The tiller was pulled hard to starboard, but the strength of the breeze was too weak to move the boom.
D.That blue sailboat is going to run aground if the keel isn’t pulled up soon!