In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
When your in doubt (A)/ about your best friend's loyalty (B)/ you can't help being disappointed. (C) No error (D)

Answer

1

Explanation

Here, not a Possessive Pronoun but Nominative Case i.e. When you are (you.re) in doubt is the right usage.