问题
单项选择题
If you ordered through an agent, please check with the agent to ______ that your order was received and processed.
A．insane
B．insult
C．ensue
D．ensure
答案
参考答案：D
解析：[分析] 形近识别 A．insane疯狂的，非常愚蠢的，毫无见识的；B．insult侮辱，凌辱；C．ensue跟着发生，继起；D．ensure确保，保证；因此D为答案。