当代英国著名学者李约瑟对中国古代的发明创造及其传播做了大量而深入的研究之后，得出如下结论：“倘若没有中国古代科技的优越贡献，我们西方文明的整个过程，将不可能实现。试问若无火药、纸、印刷术和罗盘，我们将无法想象，如何能消灭欧洲的封建主义，而产生资本主义。”

A. as to whether medically assisted suicide should be allowed to continue even though it is strictly illegal in the U.S
B. between the expression of a personal choice and a moral obligation
C. over the possible adverse effect of self-determination
D. about the idiosyncratic particularity of suicide