请问 There is nothing I can do.是个定从 that因作宾语成分被省略

问题描述:

请问 There is nothing I can do.是个定从 that因作宾语成分被省略
请问 There is nothing I can do.是个定从 that因作宾语成分被省略?nothing不是主语吗 这句话主语是谁

这句话的主语是I这是一个定语从句,不省略that的原句是:there is nothing that i can do