Consider How We Pronounce the Word "Beef": the Graphemes Map

Consider how we pronounce the word "beef": the graphemes map onto phonemes in a regular way; you need no special knowledge about the word to know how to pronounce it. Words like this are said to have:

A) Regular morpheme-to-phoneme association
B) Irregular spelling-to-sound correspondence
C) Regular spelling-to-sound correspondence
D) Irregular pronunciation equivalence
E) Irregular morpheme-to-grapheme correspondence