【2020最新整理国开(电大)人文英语1-3896网上形考机考题库】He made up a good __________for staying at home.

【2020最新整理国开(电大)人文英语1-3896网上形考机考题库】He made up a good __________for staying at home.
选择一项：
A. reason
B. explanation
C. excuse