Rachael Is Two-And-A-Half-Months Old

Rachael is two-and-a-half-months old. She has yet to establish routines relating to eating, sleeping and elimination functions. She is irritable, has a tendency to cry whenever she is presented with a novel situation and is in general extreme in her emotional reactions. In terms of temperament, Rachael would be classified as __________

A) difficult.
B) easy.
C) slow-to-warm-up.
D) too inconsistent to categorize.