单选题 I couldn't ______ the lecture at all. It was too difficult for me.
  • A. take on
  • B. take in
  • C. take over
  • D. take upon
【正确答案】 B
【答案解析】[解析] 各项的意思为：take on呈现，雇佣；take in吸收，理解；take over接管；take upon承担。所以，答案选B。