i wonder if it's because i haven't been able to是强调句还是结果状语从句

i wonder if it's because i haven't been able to是强调句还是结果状语从句 高中英语:分析句子I wonder if it's because I haven't been able to be I wonder if it's because I haven't been able to be outdoors i wonder if it is because I haven‘t been able to be outdoors 一个英语废材的提问.I wonder if it’s because I haven’t been able to be it's because I haven't been able to be outdoors for so long 高一必修一课本第一单元有一句话是I wonder if it'sbecause i haven't been able i wonder if it is because i have not been able to be outdoor I wonder if it's because I havent been to be outdoors for so it's the way i am,and try as i might,i haven't been able to I haven't been able to be outdoors for so long haven't been I think it's very important to study hard.是状语从句还是宾语从句