According to the passage, consumers began to develop a preference for VCR's in the VHS for
A.VCR's in the VI-IS format were technically better than competing-format VCR's.
B.VCR's in the VI-IS format were less expensive than competing-format VCR's.
C.VHS was the first standard format for VCR's.
D.VHS prerecorded videotapes were more available than Beta-format tapes.