【题目】The lion is considered the king of the forest as it is a(n) _______ of courage and power.
A.signal
B.sign
C.symptom
D.symbol

【答案】D
【解析】句意：狮子被认为是森林之王，事实上它是一个勇气和力量的象征。A. signal”信号“；B. sign”记号，符号“；C. symptom”症状，征兆“；D. symbol”象征，标志“。故选D。