【单选题】

{{I}}Questions 14 to 17 are based on the following passage.At the end of the passage, you will be given 20 seconds to answer the questions.Now listen to the passage.{{/I}} From the passage, we can infer that the first wood pulp mill inCanada ______.

A、turned out high-quality paper
B．used wood imported from the United States
C．caused a serious environmental problem
D．was a ready market for its product