Since 1994,the glacier in Antarctica has lowered by as much as 90cm ,________sea level to rise.这里为什么不可以填having caused 而要填causing呢?都是表主动,

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Since1994,theglacierinAntarcticahasloweredbyasmuchas90cm,________sealeveltorise.这里为什么不可以填havingcause

Since 1994,the glacier in Antarctica has lowered by as much as 90cm ,________sea level to rise.这里为什么不可以填having caused 而要填causing呢?都是表主动,
Since 1994,the glacier in Antarctica has lowered by as much as 90cm ,________sea level to rise.
这里为什么不可以填having caused 而要填causing呢?都是表主动,

Since 1994,the glacier in Antarctica has lowered by as much as 90cm ,________sea level to rise.这里为什么不可以填having caused 而要填causing呢?都是表主动,
现在分词的完成形式having done 作状语表示动作发生在前经常作原因状语表示前因后果时间上有所区分因在前故用现在分词的完成形式.
现在分词的一般形式doing作状语表示动作同时发生或相继发生经常作伴随状语时间状语或结果状语.
本句是结果状语或伴随状语故只能用现在分词的一般形式 causing
如果用having caused 是原因状语 .则会出现逻辑错误因果颠倒

因为有since,所以后面接完成时

causing
v-ing 做状语

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