Need help please. It's urgent about context clues and signal words.
Which statements about signal words and definitions are true?
Check all that are true.
a)Signal words cannot help define difficult words.
b) Only two main words signal a definition in a sentence.
c) A sentence with the word means might not have a definition.
d) Was may signal a definition because it is a form of to be.
e) Using a dictionary is the only way to define a difficult word
P/S: answer is d) and what else???