【2020最新整理国开(电大)人文英语1-3896网上形考机考题库】They live next to this mountain for _________.

【2020最新整理国开(电大)人文英语1-3896网上形考机考题库】They live next to this mountain for _________.
选择一项：
A. circumstance
B. occasion
C. generations