21. Unlike coniferous trees, whose leaves are usually needlelike, the leaves of deciduous trees aretypically broad and flat.
(A) the leaves of deciduous trees are typically broad and flat
(B) it is typical for the leaves of deciduous trees to be broad and flat
(C) broad and flat leaves are typical of deciduous trees
(D) deciduous trees have leaves that are typically broad and flat
(E) on deciduous trees, the leaves are typically broad and flat