Choose the option that is the direct form of the sentence.

The teacher asked the students if they had understood her question.

The teacher asked the students, “Have you understood my question?”

The correct direct form of the sentence is The teacher asked the students, “Have you understood my question?”

The other options are incorrect because they do not make the necessary changes to the pronouns, tense of the verbs, or reporting verb.

• The option "The teacher asking the students, “If you have understood my question?”" does not use the reporting verb "asked".
• The option "The teacher asked the students, “Have you understood her question?”" uses the pronoun "her" instead of "my".
• The option "The teacher asks the students, “whether you understand my question?”" uses the interrogative form of the verb "understand".