Which of the following sentences uses the active voice?

a

Alex was given a laptop to use when he worked at home.
b

The mountain was climbed by several of the bravest hikers in the group.
c

The favors for the birthday party were provided by the restaurant.
d

Randy and Jenna won the egg toss at the state fair.

d

Randy and Jenna won the egg toss at the state fair.

The sentence that uses the active voice is:

d

Randy and Jenna won the egg toss at the state fair.