Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. Before a man could even construct a home for himself or weave clothing to protect his body, he was creative instinctively.
B. Many researchers have done studies to know more about pre historic times.
C. He made use of a sharp stone. Unaware of it, civilisation had started in a unique way.
D. On the cave walls, man penned, or more accurately scratched rudimentary images.