which of the following is located on the posterior aspect of the femur.. intertubercular groove crest

which of the following is located on the posterior aspect of the femur?
1- intercondyloid fossa
2- intertrochanteriic crest
3- intertubercular groove crest
 a. 1 only
b.1 and  2 only
c. 3 only
d. 1,2 and 3