這裡還有一題，希望大家可以為我解答，感謝
In colonial Pennsylvania, Benjamin Franklin complained that an influx
of German speaking immigrants would threaten the ability of the English
in the settlement to maintain their language and government. He was so
worried about this prospect________he established one of the first groups
of English langu age schools for Germans with the hope of helping them to better assimilate into
the English-speaking culture.
A) that B) and C) but D) because 答案是B
: 請問不能用so ...... that的原因是什麼?這樣翻成中文還滿順得呀+ +a

答案可能誤植，應該是 A。 其他語意不順。