Solution:Sentence A will be the starting line as it contains the main idea of the parajumble slee. Cheetahs are known especially main idea Speed.
However, Sentence B states that their faces too are distinguished by prominent black lines that curve from the inner comer of each eye to the outer corners of the mouth, like a well-worn trail of inky tears. So, B will follow A.
Further, Sentence D states that they have a long, slender body & Sentence C states that Cheetahs are covered almost entirely with small black spots on a background of pale yellow and have a white underbelly. So, C will follow D. Going through the options, only option b has the correct sequence.