The flower bud of a water lily opens at sunset since its opening is triggered by

游客2025-05-09 24

问题 The flower bud of a water lily opens at sunset since its opening is triggered by the decreased light.

选项 A、alleviated
B、endured
C、set off
D、covered op

答案 C

解析 trigger引发，触发。set off使开始。alleviate使(苦痛等)减轻。endure耐久，忍耐。Cover up掩盖错误、非法地事物等。

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FLOWER:VIOLETA、stone:magentaB、pear:fruitC、cabbie:greenD、gem:turquoiseD