If E_a for a Certain Biological Reaction Is 50 $\circ$ C (Normal) to 40

Multiple Choice

If E_a for a certain biological reaction is 50. kJ/mol, by what factor (how many times) will the rate of this reaction increase when body temperature increases from 37 ^$\circ$ C (normal) to 40 ^$\circ$ C (fever)

A) 1.15
B) 1.20
C) 2.0 * 10⁵
D) 1.0002
E) 2.0