Experimental Gene Therapy Was Used on Children Who Had "Bubble

Experimental gene therapy was used on children who had "bubble boy disease." Most of the children responded well to the treatment,but one developed a form of leukemia (an expected result) .What are some of the relevant considerations (moral and nonmoral) the researchers contemplated or should have contemplated in deciding to try the unproven treatment?

A) The right to an open future;the lack of effective treatments for the disease;the principles of beneficence and autonomy
B) The risks to the children;the opinions of the nonmedical people;the right to happiness
C) The risks to the children;the lack of effective treatments for the disease;the principles of beneficence and autonomy
D) The lack of effective treatments for the disease;the moral worth of each child;the principle of beneficence