—People can not only use salt for meals.

—Yes. They also use it to _______ fire. [ ]

A. put on

B. put off

C. put out

D. put down

外国投资者认购境内公司的增资、境内公司变更设立为外商投资企业后，该外商投资企业的注册资本为原境内公司注册资本与增资额之和。( )