How is an inference different from a guess?

Question

A. Inference are based on evidence in the text while guesses are not.
B. Inference are made before reading the text while guesses are made after reading.
C. Inference are not based on anything from the text while guesses are made only using the text.
D. Inference are made by only using major details from the text while guesses only use minor details

Answer 1

A. Inferences are based on evidence in the text while guesses are not.