From the words lettered A to D, choose the word that best completes each of the following sentences. The doctor listened to my heart-beat with a ..........

From the words lettered A to D, choose the word that best completes each of the following sentences.
The doctor listened to my heart-beat with a ..........

Answer Details

The word that best completes the sentence is "stethoscope." A stethoscope is a medical instrument used to listen to sounds made by internal organs, especially the heart and lungs. Therefore, it is appropriate to use a stethoscope to listen to the heartbeat. The other options - microscope, scalpel, and chronometer - are not used for listening to the heartbeat.