Marina Exam for OIC: All lights mentioned in the Rule be exhibited during what hours?

Marina Exam for OIC 

All lights mentioned in the Rule be exhibited during what hours? 

A. 24-hour period 
B. From sunrise to sunset in restricted visibility only 
C. From sunset to sunrise in clear weathers only 
D. From sunset to sunrise in all weathers 


Answer: D. From sunset to sunrise in all weathers