Answer:
C
Explanation:
This would not be a good concluding sentence because it changes the point of view of the narration from the third person to the first person.
More importantly, this option changes the tone of the concluding sentences from semi-form with an informative style to informal with a conversational style. The changes does not favor the well-structured paragraph and would take away from the general message understood from reading it.
A comparison using like or as is a simile.
It is a compound sentence because it has a word to connect 2 pieces of thoughts
“I expect to work at the level of an accounting manger in three years.”
“If given a chance, I can progress to the level of senior finance manager in less than a decade.”