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多项选择题Given that a scoped attribute cart exists only in a user’s session, which two,taken independently,ensurethe 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>

  • B,D
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