The Transition State Has an Estimated Life-Time of About

The transition state has an estimated life-time of about:

A) microseconds (10−⁶ s) .
B) nanoseconds (10−⁹ s) .
C) (10−² s) .
D) (10−¹⁴ to 10−¹³ s) .
E) milliseconds (10−³ s) .