She overruled her son's demand of a motorbike.

A. neglected

B. disallowed

C. ignored

D. fulfilled

Answer: Option B

Solution(By Examveda Team)

Neglected : suffering a lack of proper care.
Disallowed : refuse to declare valid.
Ignored : refuse to take notice of or acknowledge; disregard intentionally.
Fulfilled : satisfied or happy because of fully developing one's abilities or character.
Overruled : reject or disallow by exercising one's superior authority.

Synonym of Overruled is Disallowed