单项选择题

Part Ⅳ Translation
Directions:

This part numbered 61 through 65 is to test your ability to translate English into Chinese. After each sentence of number 61 to 64, you will read four choices of suggested translation. You should choose the best translation and mark the corresponding letter on your Answer Sheet. And write your translation of number 65 in the corresponding space on the answer sheet.

Not having been discovered, many laws of nature actually exist in nature。()

A.虽然许多自然界的规律尚未被发现,但他们确实存在于自然界中。
B.存在于大自然中的很多法律还没有被科学界发明出来。
C.许多自然界的规律实际上存在于自然界中,尽管不能被发现。
D.尽管很多自然界的规律没有被找出,但这些规律实际上存在于自然界中。