which phrase describes a context clue?

a. words or phrases in a text that help the reader determine where to find the definition of a word.
b. resources that help the reader determine the origin of a word.
c. resources that help the reader determine the pronunciation of a word.
d. words or phrases in the text, that help the reader determine the meaning of a word.

d. words or phrases in the text that help the reader determine the meaning of a word.