[单选题]
14.25: It is observed that a(wu6nd s7ceg- light ray changequfmp a1h-w :cf)0k8vs direction when it enters a new material. Which one of the following choices is the term best associated with this phenomepuv- 8wf)mc: khqa01 fnon?
A. Doppler Effect
B. Interference
C. Polarization
D. Diffraction
E. Refraction