Which of These Statements About Extrapolation Is NOT True

Which of these statements about extrapolation is NOT true?

A) The term is used to estimate a value for the dependent variable when the value used for the independent variable lies outside the observed range
B) Extrapolation is commonly used to support forecasting or planning for future needs (for example raw materials as production increases)
C) As extrapolation is taken from within the range of observed values we can be fairly confident of its accuracy
D) Extrapolation must be undertaken with care, particularly when values get further from the observed range