下列各组函数中,不是同一函数的原函数的有( )。

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528334773467114be4089bbf42858631115a13d9290eimage9.png">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528334773545d6b73aa4f0364128b185b2f7e10411afimage10.png">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528334773692c054ce81b5614221a380713ed38f351bimage11.png">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15283347737812a8022c500dc4d7aadd60a5e49371e1aimage12.png">