申論題

17. Which is true about speed v of an inertial frame relative to us? (A) As v goes from 0 to infinity, Lorentz factor γ goes from 0 to infinity. (B) As v goes from 0 to infinity, Lorentz factor γ goes from 0 to 1. (C) As v goes from 0 to infinity, Lorentz factor γ goes from 1 to infinity. (D) As v goes from 0 to c, Lorentz factor γ goes from 0 to 1. (E) As v goes from 0 to c, Lorentz factor γ goes from 1 to infinity.