“这些算法都存在大量噪声残留。”一句的英文表达，哪一项正确？

“这些算法都存在大量噪声残留。”一句的英文表达，哪一项正确？
A.All these algorithms exist heavy noise residuals.
B.All these methods have heavy noise residuals.
C.All these methods suffer heavy noise residuals.
D.All these methods remain heavy noise residuals.
正确答案：All these methods suffer heavy noise residuals.