How does the author's use of concrete details such as "stood directly in the path," "swift movement," and "grabbed" affect the reader's impression of the doctor?

This question is missing the excerpt and the options. I've found the complete question online. It is the following:

The second doctor watched for contagious and infectious diseases. He looked especially for infections of the scalp and at the eyelids for symptoms of trachoma, a blinding disease. Since trachoma caused more than half of all medical detentions, this doctor was greatly feared. He stood directly in the immigrant’s path. With a swift movement, he would grab the immigrant’s eyelid, pull it up, and peer beneath it. If all was well, the immigrant was passed on.

How does the author's use of concrete details such as "stood directly in the path," "swift movement," and "grabbed" affect the reader’s impression of the doctor?

a. These details describe how the doctor felt about doing trachoma inspections.

b. These details provide information about medical examinations from the doctor’s perspective.

c. These details describe the doctor’s actions as direct and focused.

d. These details provide a list of medical examinations.

The author's use of concrete details affects the reader's impression of the doctor because:

c. These details describe the doctor’s actions as direct and focused.

Explanation:

Details such as "stood directly in the path," "swift movement," and "grabbed" convey a certain impression of the doctor being described in the passage. We can sense how precise he was, how straightforward and accurate his examination of the immigrants was. There is no doubt in his moves, no hesitation in his manners. He knows what he is looking for - signs of trachoma - and he knows what to do to find it.

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