GMAT Sentence Correction (SC) | Re: Pronoun Revision: Created in 1731, Anders Celsius’ original

This question is part of the GMAT Club Sentence Correction : Pronoun Revision Project.

Createdin 1731, Anders Celsius’ original thermometer had a scale where the value of 0 corresponded to the boiling point of water; after he died in 1744 the scale was reversed to its present form.

A. in 1731, Anders Celsius’ original thermometer had a scale where the value of 0 corresponded to the boiling point of water; after he died in 1744 the scale was reversed to its present form.

B. in 1731, Anders