Task: Editing / Style Rephrase
User instruction:
Dear Professor,

I am XXX, who took Probability and Random Processes this semester. I liked your class.

I am writing because I received an A this semester, which I don’t quite get it. I want to know my score or ranking.

Thanks a lot.

Sincerely,  
XXX

Please rewrite the above as an honorific business email, as the recipient is a professor.

Evaluation criteria:
The language and vocabulary should be refined to be polite.
The original intent of the text must be preserved.
No objective information specified in the original may be omitted.