The following question contains four sentences which in their present arrangement lack coherence, connection and development. There is only one way of rearranging them to make a coherent passage. Choose the correct arrangement from the alternative given and mark your answer as (1), (2), (3) or (4) in the answer sheet
a. Not much is known about Newton's life at Cambridge in the early years of the professorship.
b. He experimented with many techniques for grinding lenses (using tools he made himself) and in about 1670 built the first reflecting telescope.
c. But it is certain that the construction of telescopes and optics were among his main interests.
d. The simplicity of his prismatic analysis of sunlight has always marked this early work as one of the timeless classics of experimental science.

Options

A. a c b d
B. a b c d
C. d a c b
D. .b a c d

Answer

A