A) civi engineers and pharmacist have different
Symbolism in Literature. ... In literature, symbolism can take many forms, including: A figure of speech where an object, person, or situation has another meaning other than its literal meaning. The actions of a character, word, action, or event that have a deeper meaning in the context of the whole story.
Labor shortages may delay and drive up the cost of product development.

Sentence is a group of words which makes a complete sense.
The use of a narrator who takes part in the events I think is the correct answer