A technician is trying to install a previous-generation expansion card into their new laptop.However, the card refuses to fit into the expansion slot. Which of the following is MOST likely the reason?（）

• A、The card needs to have the compatibility jumpers set before it can be installed into the system.
• B、The card is a PCI Express card and the laptop supports pcmica.
• C、The expansion slot needs to be enabled in the blos first.
• D、The card is a PCMCIA card and the laptop supports PCI Express cards.