Read the passage and answer the question that follows.
One December night, a family had gathered around their fireside and piled it high with wood gathered from mountain streams and ruins of great trees that had come falling down the mountain sides. The fire roared and brightened the room with its light. The faces of the father and mother had a quiet gladness; the children laughed; the oldest daughter was the picture of happiness at seventeen;and the aged grandmother who sat sewing in the warmest place was the picture of happiness grown old.
The oldest daughter looked _______.