Which of the Following Statements About the Crab Nebula Is

Which of the following statements about the Crab Nebula is FALSE?

A) it is the remnant of a supernova explosion first seen on Earth in 1054 AD
B) the nebula still puts out more energy (at all wavelengths) than 100,000 Suns
C) inside, there are a number of newly formed massive stars (O and B type stars)
D) the neutron star inside shows clear evidence of slowing down just a little bit in its rotation
E) we can detect a pulsar inside the nebula using both radio waves and visible light