While hiking, you should ________ for dangers, ________ spiders, snakes or poisonous plants．A.watch out; for exampleB.take care; for exampleC.watch out; such asD.take care; such as
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C解析watch out当心，和for连用；take care注意，和of连用；for example例如；such as诸如此类。根据句意选择C项。