Correct option is E
The correct word for the given blank is ‘adopted’.
(a) embrace: accept (a belief, theory, or change) willingly and enthusiastically.
(b) beholden: owing thanks or having a duty to someone in return for help or a service.
(c) grasped: seize and hold firmly.
(d) engulfed: eat or swallow (something) whole.
(e) adopted: choose to take up, follow, or use.