The sentence I would choose is: "He was looking down at his outstretched hands as he talked". To me, it implies that he cannot look into the eyes of the person he is speaking to, as if he doesn't feel he is worthy.
The book twilight by Stephanie Meyer
Meyer, Stephenie, and Young Kim. Twilight. London: Atom, 2009. Print.
Answer:
C.how to tell whether the test was accurate
Explanation:
This is because, after the test, Safiya's brother should be able to check if the test carried out was accurate and not wrong as directed.
This could be done through series of validation technique rather than assuming that the test carried out was correct.