若某细胞的某种物质经过处理后，细胞膜仅具有自由扩散的运输方式，则处理该细胞的物质最可能是[ ]

A．淀粉酶

B．蛋白酶

C．脂肪酶

D．麦芽糖酶

Our company has been made one of the largest manufacturers in the field of chemical industry.

A．become, in

B．made, in field of

C．became, in the field

D．been made of, in