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