The primary difference between JFETs and depletion-type MOSFETs is ( ).
A.
JFETs can have positive values of and levels of drain current that exceed
B.
depletion-type MOSFETs can have positive values of and levels of that exceed
C.
depletion-type MOSFETs can have only positive of
D.
JFETs can have only positive values of