One of the most endangered mammals lives only in the remnant rainforest on Hainan Island.Which animal is it?

Question

One of the most endangered mammals lives only in 2 square kilometres of remnant rainforest on Hainan Island in the South China Sea. Which animal is it?

AThe red slender loris (Loris tardigradus)

BSibree's dwarf lemur (Cheirogaleus sibreei)

CThe large-antlered muntjac (Muntiacus vuquangensis)

DThe Hainan black crested gibbon (Nomascus hainanus)

Select from the options above.

Correct Option: 4  

Explanation:
The Hainan black crested gibbon (Nomascus hainanus)
In 2017 only 25 Hainan gibbons are known still to be living.