单项选择题
What might block the process of a taking-one-year-off plan according to the passage（）
A. Colleges and universities. B. Time. C. Finance. D. Classmates.
A. It can be built up by education. B. It stays the same throughout one’s life. C. It can be predicted at birth. D. It is fully-developed during one’s childhood.
A. Increasing demands for goods. B. Slight rise in consumer prices. C. Difficulty in borrowing money. D. Not mentioned.