Correct Answer:
Option D - The above given sentence in blank space, fill the most appropriate word is option (d) 'disturb'.
If two clauses are connected with relative pronouns, verb is used according to the antecedent of 'that'.
Here, the antecedent of the relative pronoun (that) 'matters' is plural, then the verb (disturb) is used plural. The correct sentence is-
'This is one of the matters that disturb me the most'.
D. The above given sentence in blank space, fill the most appropriate word is option (d) 'disturb'.
If two clauses are connected with relative pronouns, verb is used according to the antecedent of 'that'.
Here, the antecedent of the relative pronoun (that) 'matters' is plural, then the verb (disturb) is used plural. The correct sentence is-
'This is one of the matters that disturb me the most'.