Pythons are 51 non-venomous snakes found 52 in damp places or rocky ledges near marshesor In dense 53. Theyare considered to be themost primitive 54 the living snakes, 55 they retain the traces of hind limbs of a 56 era In the form 57 horny claw-like spurs, which are present 58 either side of 59 anus. These hind limbs are functionless 60 female pythons.
Fill the blank no.54 with the given words

Options

A. by gone
B. latest
C. present
D. recent

Answer

A

Explanation

by-gone (Adj.): existing a long time ago