Question: Who was prevented from leaving their house?
Answer: With the aid of the eunuch Zheng Zhong (d. 107 AD), Emperor He (r. 88105 AD) had Empress Dowager Dou (d. 97 AD) put under house arrest and her clan stripped of power.
A single-select problem: Is the question answered in a satisfactory fashion?

Select from the following.
-- yes
-- no
yes