Choose the appropriate option to fill in the blank:-

He was dozing while on duty.

The doctor asked him to have one ____ of the medicine.

A. dose
B. dozse
C. doze
D. doce
E. dosce

Choose the correct answer from the options given below:

A only

The correct answer is Option (3) → A only ---Dose

The sentence should read: "The doctor asked him to have one dose of the medicine."

"Dose" refers to a measured quantity of medicine prescribed to be taken at one time.