zài / zhè / xiàng / diào / chá / zhōng / yán / jiū / rén / yuán / xún / wèn / le / shòu / fǎng / zhě / shì / fǒu / yǒu / guò / yì / xìng / xìng / jiē / chù

在这项调查中，研究人员询问了受访者是否有过异性性接触。

In this survey, the researchers asked respondents whether they had ever had heterosexual sexual contact.