Throughout the week, the participants were peppered with text message questions about what temptations, desires, and effortful self-control they were engaging in at the moment, and whether they felt drained.
请问 粗体字what..做什么成分?是名词性从句做定语吗?
what temptations, desires, and effortful self-control they were engaging in at the moment 是宾语从句,作介词 about 的宾语,what在宾语从句中作(前置)定语。about what temptations, desires, and effortful self-control they were engaging in at the moment 一起是介词短语,在这个介词短语中,they were engaging in at the moment 是定语从句。