The author here is describing, in a sequential or chronological way, a series of events that took place in the past (hence the use of the past tense), namely: 1) "...he finally convinced...", 2) "Early results were not..." and 3) "...but... customers became hooked."
The answer is (A). Plath was known to use vivid imagery, metaphors and smiles. She was a very creative poet. So, it's the use of largely figurative language which best describes her technique.
Answer:
The home director said that he was suprised by Meursault's calm attitude; he did not cry once nor pay respect at his mom's grave.