A student completes a 3 part exam as follows. The student completes sections A in 18 minutes and takes an equal time to complete the two remaining sections. What is the ratio of time spent on section C to section A if the total duration is 1 hour?	Choose the correct answer.
A) 4:3
B) 5:4
C) 6:5
D) 7:6
E) 8:7
The time spent on section B and section C is 21 minutes each.   The ratio of C to A is 21:18 = 7:6   The answer is 7:6.
<result>D</result>
A student completes a 3 part exam as follows. The student completes sections A in 18 minutes and takes an equal time to complete the two remaining sections. What is the ratio of time spent on section C to section A if the total duration is 1 hour?