與問題有關的原文如下
The demand for portrait painting gave steady employment to surprising many artists in colonoial North America. The nature of the work gave them a crucial economic advantage over the engraver, composer, or writer.
問題如下
Which of the follow statements can be inferred about engravers, composers, or writers in the colonies?
A Their work was a poor quality
B They could easily become rich
C Their work was in greatly demand even though it was expensive.
D They competed with people abroad who provided similar services.
PP REVIEW的答案是D..我選的C..怎麼也想不透為什麼?????