Given that a scoped attribute cart exists only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()
A、
B、 <c:remove var="cart" />
C、 <c:remove var="${cart}" />
D、 <c:remove var="cart" scope="session" />
E、 <c:remove scope="session">cart</c:remove>
F、 <c:remove var="${cart}" scope="session" />
H、 <c:remove scope="session">${cart}</c:remove>