Select the correct passive form of the given sentence.

The doctor advised her a week’s rest.

She was advised a week’s rest by the doctor.

The correct passive form of the given sentence is She was advised a week’s rest by the doctor.

The sentence "The doctor advised her a week’s rest" is in the active voice. The active voice is formed by putting the subject of the sentence before the verb and the past participle of the main verb. In this case, the subject of the sentence is "the doctor" and the main verb is "advise." The past participle of "advise" is "advised." So, the active form of the sentence is "The doctor advised her a week’s rest."

The passive voice is formed by putting the subject of the active sentence after the verb "to be" and the past participle of the main verb. In this case, the subject of the active sentence is "she" and the main verb is "advise." The past participle of "advise" is "advised." So, the passive form of the sentence is She was advised a week’s rest by the doctor.

The other options are incorrect because:

• The doctor was advised a week’s rest by her is grammatically incorrect. The verb "to advise" is followed by a direct object, but the phrase "the doctor was advised a week’s rest by her" does not have a direct object.
• She is being advised a week’s rest by the doctor is in the present progressive tense, while the original sentence is in the simple past tense.
• She has been advised a week’s rest by the doctor is in the present perfect tense, while the original sentence is in the simple past tense.