单项选择题
A.<!-- this is a comment -->
B.<% // this is a comment %>
C.<%-- this is a comment --%>
D.<% /** this is a comment **/ %>
多项选择题 Whichtwoarevalidandequivalent?()
多项选择题 Inwhichthreedirectories,relativetoawebapplication’sroot,mayataglibrarydescriptorfileresidewhendeployeddirectlyintoawebapplication?()
多项选择题 Giventhatascopedattributecartexistsonlyinauser’ssession,whichtwo,takenindependently,ensurethescopedattributecartnolongerexists?()