问题详情

In the sentence "A health - care claims processor in Indianapolis, Ind. , hopes smart cards will streamline medical - bill payments" (paragraph 4 ), the word" streamline" has the meaning of ______.
A．make... into a stream
B．make... flow smoothly like a line
C．make... successfully
D．make请帮忙给出正确答案和分析，谢谢！