Which revision of this sentence uses a participial phrase?
a. The cashier opened the cash register drawer to count the money.
b. With no customers, the cashier opened the cash register drawer to count the money.
c. Closing her checkout lane, the cashier opened the cash register drawer to count the money.
d. Her break time over, the cashier opened the cash register drawer to count the money.
e. Near the end of her shift, the cashier opened the cash register drawer to count the money.