B.enough clothes;warm enough
enough 修饰名词时,放名词前;修饰形容词,副词时,放其后.即:
enough +名词,形容词/副词+enough
clothes为名词,warm为形容词,故答案选B.
句意:他们没有足够的衣服来使他们自己保持足够的温暖.