Korea’s surging $ 81 billion economy was churning out a flo

Korea’s surging $ 81 billion economy was churning out a flood of increasingly sophisticated products.
A、selling out
B、running out
C、producing
D、stocking
【正确答案】：C
【题目解析】：churn out 快速生产；大量生产；sell out卖完；run out用完；produce生产；stock囤货；故选C。