Which of the following statements is true regarding the inguinal rings?
a. The superficial (external) ring marks the end of the inguinal canal, and lies just inferior to the pubic tubercle
b. The superficial (external) ring marks the end of the inguinal canal, and lies just superior to the pubic tubercle
c. The deep (internal) ring is found above the midpoint of the inguinal ligament. which is medial to the epigastric vessels.
d. The deep (internal) ring is found below the midpoint of the inguinal ligament. which is lateral to the epigastric vessels.