If Nothing Can Ever Leave a Black Hole,can the Mass

Multiple Choice

If nothing can ever leave a black hole,can the mass of a black hole ever decrease?

A) no
B) yes, if antiparticles enter a black hole and annihilate with matter already inside the black hole
C) yes, if the matter inside the black hole is radioactive (e.g., uranium) , allowing their decay products-alpha particles, electrons, and gamma rays-to constantly leave the black hole
D) yes, if particle-antiparticle pairs are created outside the event horizon out of gravitational energy from the black hole and one particle enters the event horizon while the other escapes