Ravi was looking for Venus in the sky at midnight. Mohan laughed at him because Venus
a) Appears 1-3 hours after sunrise or 1-3 hours after sunset
b) Appears 1-3 hours before sunrise or 1-3 hours after sunset
c) Appears 1-3 hours be fore sunrise or 1- 3 hours before sunset
d) Appears 1-3 hours after sunrise or 1-3 hours before sunset
