Select the correct statement below:

A$.$ Many pledges may exal at the sanne lime over the same thing and the transfer of control is an essental element of a plodge.

$8.$ More than a single pledge may not exst at bee same tre over the same fing and the transfer of control is an essentia element of a pledge.

C$.$ Mare than a single plotge may not exst at the same time orer the same thing and no control is needed over a pledge

D$.$ Pledges are a suboet of ageney agreemerts