Which Are Eccentric Functions of the Flexor Hallucis Longus

Which are eccentric functions of the flexor hallucis longus?

A) restrains/slows flexion of the thumb at the metacarpophalangeal and interphalangeal joints and flexion of the hand at the wrist joint
B) restrains/slows flexion of the big toe (toe number one) at the metatarsophalangeal and interphalangeal joints and plantarflexion of the foot at the ankle joint
C) restrains/slows flexion of the thumb at the metacarpophalangeal and interphalangeal joints and extension of the hand at the wrist joint
D) restrains/slows extension of the big toe (toe number one) at the metatarsophalangeal and interphalangeal joints and dorsiflexion of the foot at the ankle joint