英语翻译the hypothesis that in painting the animal that resemble

英语翻译
the hypothesis that in painting the animal that resembles a chiru the cave artist painted a chiru with which she or he was familiar
这句话怎么也翻译不过来了,希望牛人可以分析一下句子成分并给出中文解释.跪谢!

基本句 the hypothesis that in painting the animal the cave artist painted a chiru.
这假设 :"在绘画那动物时,那个洞穴艺术家一定是在画一只藏羚羊"
the animal像什麼?the animal resembles a chiru ==> the animal that resembles a chiru
艺术家与藏羚羊有何关系?she or he was familiar with the chiru ==> with which she or he was familiar
整句可翻译为
下述的选项,如果确有其事,最足以支持这假设 :"在绘画那只(现在看来酷似藏羚羊)动物时,那个洞穴艺术家一定是在画一只他／她所熟悉的藏羚羊"
28.A group of paintings made approximately 15,000 years ago in a cave in the Loire River valley in what is now France depicts a number of different animals.One of the animals depicted seems to resemble the chiru,a rare antelope of the Himalayas.
Which of the following,if true,best supports the hypothesis that in painting the animal that resembles a chiru the cave artist painted a chiru with which she or he was familiar?
(A) There are numerous representations of imaginary animals in cave paintings of similar age.
(B) Fossilized remains of a chiru,approximately 16,000 years old,have been found at the northern end of the valley.
(C) The cave that contains the depiction of an animal that resembles a chiru contains stylized representations of plant life.
(D) Older caves from the same region contain no representations of animals that resemble a chiru.
(E) The antlers of the animal in the painting are longer than those of the mature Himalayan chiru.
下述的选项,如果确有其事,最足以支持这假设 :"在绘画那只(现在看来酷似藏羚羊)动物时,那个洞穴艺术家一定是在画一只他／她所熟悉的藏羚羊"
p.S.我认为原文不是好的英文!