1-C. Bell Laboratories' phonograph could be operated with less difficulty.Bell Laboratories' phonograph could be operated with less difficulty.
ベル研究所の蓄音機は、操作されることができた、より少ない苦労でダヨ。
2-C. the young had difficulty finding work.the young had difficulty finding work.
若者達は困難でした、仕事を見つけることがダヨ。
difficulties困難
3-C. (3) The Difficulties Facing Opera(3) The Difficulties Facing Opera
(3)困難、オペラが直面しているダヨ
4-C. Such difficulties were overcome by a party led by Maurice Herzog and Louis Lachenal of France, and these men became the first to successfully climb an 8000er, Annapurna in Nepal, in 1950.Such difficulties were overcome by a party led by Maurice Herzog and Louis Lachenal of France, and these men became the first to successfully climb an 8000er, Annapurna in Nepal, in 1950.