Correct option is B
Option (b) contains an error.
The verb "chair" is in the base form, which is incorrect. The correct form should be
"chaired" to match the past tense context.
Correct sentence: The Prime Minister
chaired a high-level meeting...
Grammatical rule used:
When reporting an action that has already taken place, the past tense form of the verb should be used.
Example:
Incorrect – He
walk to school yesterday.
Correct – He
walked to school yesterday.
Information Booster: In reported events, especially in official or news reporting, past tense is usually used.