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多项选择题Given that a scoped attribute cart exist only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()

A、 ${cart = null } 

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” /> 

G、 <c:remove scope=”session”>${cart}</c:remove>

  • D,E
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