单选题 The rabbi was deep in ______ about the problems of his congregation.
  • A. meditation
  • B. reflection
  • C. conception
  • D. retrospection
【正确答案】 A
【答案解析】(meditation沉思，深思，同in连用)。句意为：那位犹太教教士对全体教徒的问题进行了深思。B．reflection沉思，反省；C．conception概念，想法；D．retrospection回顾，回想。