MrsAnderson's Oral Temperature Is 99 $\degree$ FDrXu Requests That You Record It in Celsius

Mrs.Anderson's oral temperature is 99 $\degree$ F.Dr.Xu requests that you record it in Celsius.What would that be?

A) 32.6 $\degree$ C
B) 37.8 $\degree$ C
C) 35.8 $\degree$ C
D) 37.2 $\degree$ C