With Regard to the Flexor Tendon Mechanism, the Tendon of Which

With regard to the flexor tendon mechanism, the tendon of which muscle splits and surrounds the tendon of which other muscle?

A) flexor digitorum superficialis, flexor digitorum profundus
B) extensor digitorum, flexor digitorum profundus
C) flexor pollicis longus, flexor digitorum superficialis
D) flexor digitorum profundus, flexor digitorum superficialis
E) flexor digitorum superficialis, flexor pollicis longus