The following sentence has been divided into four parts. Identify the part that contains an error.
(A) It is sad / (B) that you / (C) are believing / (D) in superstitious rituals.

Correct option is B

Detailed Explanation:
· The error lies in part C – "are believing".
· The verb “believe” is a stative verb — it describes a state, not an action.
· Stative verbs are not normally used in the continuous (–ing) form.
Wrong: are believing
Correct: believe
Other stative verbs:
know, love, own, prefer, understand, need.
Corrected sentence:
It is sad that you believe in superstitious rituals.