Though we depict science as progressing through well-thought advances, it is amazing how many of our discoveries take place by accident.The Sentence means that ?
A.
Progress in science is often thought to be made through hard work, but Accidental discoveries are also important, and many discoveries are made by chance.
B.
All scientific progress is made by accident.
C.
All scientific progress made through hard work .
D.
Accidental discoveries are important, and deliberate exploration is not necessary.