Select the option that can be used as a one-word substitute for the highlighted group of words in the given sentence.
The practice of having two or more spouses at the same time was quite common in the olden days.

Correct option is B

The correct one-word for the given group of words is (b) Polygamy.
Polygamy: The custom or practice of having more than one spouse at the same time.
(Hindi meaning: बहुपतित्व / एक से अधिक विवाह करना)
Example: In some ancient cultures, polygamy was socially acceptable.
Meanings of the other options:
· (a) Parochialism: Narrow or limited outlook, especially focused on local interests (संकीर्णता)
· (c) Patricide: The act of killing one’s own father (पिता की हत्या)
· (d) Patriarchy: A system of society or government controlled by men (पितृसत्तात्मक समाज)