Select the option that expresses the given sentence in active voice. The doctor's instructions ought to be followed carefully.

Select the option that expresses the given sentence in active voice. The doctor's instructions ought to be followed carefully.

• (अ)1. You ought to follow the doctor's instructions carefully.✓ योग्य उत्तर
• (ब)2. It is ought to follow the doctor's instructions carefully.
• (क)3. Ought they follow the doctor's instructions carefully?
• (ड)4. Carefully doctor's instruction ought to be followed.