【单选题】Every summer, Jean Piaget retreats to his cabin in the Alps, where he spends most of his days analyzing the mass of research data generated over the past year at his Center for Genetic Epistemology. D...
A.
collect data for his research.
B.
avoid the city heat and enjoy the cool weather.
C.
live in his cabin where he could analyze the data he collected there.
D.
analyze his research data he had collected before.