单选题 When travelling, you are advised to take travellers' checks, which provide a secure ______ to carrying your money in cash.
  • A. substitute
  • B. selection
  • C. preference
  • D. alternative
【正确答案】 D
【答案解析】[解析] 各项的意思为：alternative选择，替换物。substitute代用品；selection选择，挑选；preference偏爱，优先选择。所以，本题选D。