Mercury Rotates Once on Its Axis with Respect to the Distant

Multiple Choice

Mercury rotates once on its axis with respect to the distant stars in 58 2/3 days and has a sidereal period of 88 days. A star is overhead to an observer on Mercury at midnight. How many times will Mercury orbit the Sun before this star is again directly over the observer's head at midnight? (Draw a diagram to help with this exercise.)

A) It will never again reach this specific position.
B) one
C) two
D) three