![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
听力原文:W: So, have you collected the blood sample so we could do our genetic research? M: I'm afraid we are in trouble. The people we're testing have religious concern about the work we're doing, so I couldn't collect the sample. Q: What are the two speakers talking about? (18)