What i would write if i were u:
A main ethical concern would be animal testing. A lot of people do not like the fact that scientist are experimenting on animals for such a tragic disease. Also how would we know that it works when scientist are only using it on animals when the actual humans are the ones getting cancer everywhere.
Answer:
Nobel Peace Prize winner Malala Yousafzai has returned to Pakistan for the first time since being shot by Taliban militants. It has not been confirmed if she will visit her family's home region of Swat in the country's rural north-west - once a militant stronghold - during her visit.
Explanation:
1 is svio and the other one number 2 is sva
I am going with c because it makes the most sence
