问题
选择题
His health had_____ while he was in prison.
A．became better
B．became worse
C．became stronger
D．became weaker
答案
答案：B
分析：借助搭配“健康…”，排除C和D（strong和 weak都不和“健康”搭配使用，只能说“身体” strong或 weak），再借助句意（在监狱服刑期间他的健康变得恶化了）判断B（变得更糟糕）是答案。