___with difficult situation ,he dicided to ask his teather for helpa .to face b.having faced c.faced d,facing请说明原因

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___with difficult situation ,he dicided to ask his teather for helpa .to face b.having faced c.faced d,facing请说明原因

___with difficult situation ,he dicided to ask his teather for helpa .to face b.having faced c.faced d,facing请说明原因
___with difficult situation ,he dicided to ask his teather for help
a .to face b.having faced c.faced d,facing
请说明原因

___with difficult situation ,he dicided to ask his teather for helpa .to face b.having faced c.faced d,facing请说明原因
b.首先应该是过去分词...因为be faced with是固定词组...而参照句意....应为过去完成时..

b.having faced