The Capital Gains Yield on a Security

The capital gains yield on a security:

A) Is equal to the change in the security's value expressed as a percentage of the security's current market value.
B) Is equal to the change in the security's value expressed as a percentage of the security's beginning market value.
C) Must be a positive value if the ending value of the security is positive.
D) Is equal to the total return on the security expressed as a percentage of the ending market value.
E) Is equal to the total return on the security expressed as a percentage of the beginning market value.