151.
Like the thorny ballooning of a frightened pufferfish or the sudden appearance of angry sapphire hoops for which the blue-ringed octopus is named, so the California newt's display of its red underbelly is a clear warning that predators ignore at their peril
(A) so the California
newt's display of its red underbelly is a clear warning that predators ignore at their peril
(B) so it is at their peril that predators ignore the California
newt's display of its red underbelly, a clear warning
(C) the California
newt's displaying its red underbelly is a clear warning for predators, so they ignore it at their peril
(D) the California newt's display of its red underbelly is a clear warning that predators ignore at their peril
(E) it is at their peril that predators ignore the California
newt's display of its red underbelly, a clear warning
有谁能解释下这题的意思吗？非常感谢~~~答案选D~~~
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