Some hospitals have doctors that take on different duties such as monitoring the wards, to act as a guardian sounding
a warning at the first sign of a patient in danger, and receiving new patients who require hospitalization.
A to act as a guardian sounding
B to act as guardians and to sound
C to act as guardians and sound
D acting as guardians and to sound
E acting as guardians and sounding
"Start By Doing What Is Necessary ,Then What Is Possible & Suddenly You Will Realise That You Are Doing The Impossible"