A trochar is inserted halfway between the umbilicus and the ant superior iliac spine

During a laparoscopic procedure, a trochar is inserted halfway between the umbilicus and the ant superior iliac spine. What are the structures most likely to be pierced?
a. Rectus sheath
b. Linea alba
c. External oblique aponeurosis
d. Internal oblique and transverse abdominal
e. Both C and D