问题
"We will learn Englishwords this year," the teacher said to the students.
A:one thousand,three hundred and twenty-one
B:a thousand,and three hundred twenty-one
C:one thousand,three hundred twenty-one
D:a thousand,three hundred and twenty-one
B:a thousand,and three hundred twenty-one
C:one thousand,three hundred twenty-one
D:a thousand,three hundred and twenty-one
正确答案是：
