John skied cross country for 12 miles at 3 miles per hour. He finished skiing at 2:00 p. m.

Which explanation correctly tells how to calculate what time John started skiing?

A.
Step 1 Divide: 12 ÷ 4.
Step 2 Add the quotient to 2:00 p. m.
Step 3 Write the answer as 6 p. m.

B.
Step 1 Multiply: 12 × 3.
Step 2 Subtract the product from 2:00 p. m.
Step 3 Write the answer as 1:24 p. m.

C.
Step 1 Divide: 12 ÷ 3.
Step 2 Subtract the quotient from 2:00 p. m.
Step 3 Write the answer as 10:00 a. m.

D.
Step 1 Divide: 12 ÷ 4.
Step 2 Subtract the quotient from 2:00 p. m.
Step 3 Write the answer as 11:00 a. m.