Which of the descriptions on “prepregs” is not true?()

A、A prepreg is the impregnated fiber reinforcement with a resin matrix.B、The fiber reinforcement in a prepreg only exists in unidirectional formsC、The fiber reinforcement in a prepreg can exist in unidirectional or fabric formsD、The resins for a prepreg includes thermoset and thermoplastic resins