【单选题】
A <jsp: useBean name="myBean" scope ="page" class="pkg.MyBean" />
B <jsp: useBean id ="myBean" scope ="page" class="pkg.MyBean" />
C <jsp: useBean name="myBean" scope ="page" class="pkg.MyBean">
D <%jsp: useBean id ="myBean" scope ="page" class="pkg.MyBean" %>
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