—It's difficult for me ________ there are few new words in it.
A:if
B:so
C:because
D:although
李清照的《一剪梅》是婉约派的代表作,选出下列诗句中和该词风格相同的一项是( )
如图,已知AB∥CD∥EF,AD:AF=3:5,BE=12,那么CE的长等于( )