問題補(bǔ)充：
單選題
A new study shows older men a lack of deep sleep are nearly twice as likely to develop high blood pressure.A.suffering forB.who is sufferingC.who suffer fromD.who suffer to
網(wǎng)友答案：
熱心網(wǎng)友 1樓
C解析現(xiàn)在分詞、定語從句都可作定語但是“遭受…”要用suffer或者suffer from;所以排除A、D兩個選項(xiàng)，B選項(xiàng)who is suffering 中的who指的是men要用動詞are，所以只能選C who suffer from相當(dāng)于分詞suffering from的作用。
