Final answer:
China was not one of the three leading producers of furs between 1920 and 1950.
Step-by-step explanation:
The correct answer is c) China. Between 1920 and 1950, the three leading producers of furs were Canada, Russia, and the United States. China was not among the leading producers during this time period. These countries dominated the fur trade during that period, driven by the demand for luxurious fur garments. However, without specific options provided, it's challenging to identify which country was not among the leading producers. To answer accurately, you'd need to refer to the provided options and eliminate the one that wasn't a top producer during that timeframe.