[問題]2003年10月 Q34 (structure)

[davidslin]

34.European settlers in North America moved from the Atlantic coast across 3,000 miles forests, grasslands, deserts, and mountains until they reached the Pacific Ocean.

想請問一下C要怎麼改才對呢?
謝謝

[dennis_wtliu]

C should be "miles of forests"

FYI