When he P : did not know Q : he was nervous and R : heard the hue and cry at midnight S : what to do The Proper sequence should be:

The correct answer is A. PQRS.

Here is a brief explanation of each option:

• Option A: PQRS. This is the correct sequence. When he heard the hue and cry at midnight, he was nervous and did not know what to do.
• Option B: QSPR. This is not the correct sequence. He was nervous and did not know what to do, but this was not the cause of the hue and cry.
• Option C: RQPS. This is not the correct sequence. The hue and cry was not the cause of his nervousness or his lack of knowledge of what to do.
• Option D: SQPR. This is not the correct sequence. He did not know what to do, but this was not the cause of the hue and cry.

I hope this helps! Let me know if you have any other questions.