One should obey one's parents.

One should obey one's parents. - Passive this.

A The Parents are to be obeyed.

B Parents is to be obeyed by one

C Parents are to be obeyed.

D Parents should be obeyed

Correct Answer: Option D

বাক্যে One ----- one's থাকলে one, one's এর অনুবাদ করতে হয় না এবং passive voice এ উঠে যায়।
Source: Master Jahangir Alam