I listened carefull ,but I heard ______(something)

I listened carefull ,but I heard ______(something) 找错i heard but i listened nothing 39.I listened carefully,but I heard . I listened carefully but I heard 改错I listened carefully,but nothing heard. I listened carefully but I heard anything.（改错） i listsned,but i heard _____(something) I ( ) but ( ) nothing.A.heard,heard B.listened to,heard C.li Ilistened but I heard _____ (something). I listened but heard nothing.这句话中 but heard nothing应该不是宾语从句吧 I listened carefully but I heard nothing各个单词在句中起什么成份? I listened but----------(hear) nothing.