Select the option that expresses the given sentence in direct speech.
The teacher informed that the exam had been postponed.

Correct option is A

The correct direct speech of the given sentence is "The teacher informed, ‘The exam has been postponed.’"
Rules of Conversion from Indirect to Direct Speech:
1. Remove "that" when converting to direct speech.
2. Change verb tense according to the reporting verb:
· Since "informed" is in past tense, the reported speech should be in present perfect ("has been postponed") to reflect the intended meaning.
3. Use correct punctuation: Add quotation marks around the reported speech.
Incorrect Options Explanation:
· (b) "Informs" is present tense, while the original sentence uses "informed" in past.
· (c) "Was being postponed" (past continuous) changes the meaning.
· (d) "Informs" (present tense) does not match the past reporting verb "informed."