What did Albert Einstein and Thomas Edison have in common?
A.
They were thought to be slow learners in childhood, but they made magnificent discoveries through their hard work.
B.
They were thought to be fast learners in childhood, and they made magnificent discoveries through their hard work.
C.
They were thought to be slow learners in childhood, and they failed to make magnificent discoveries.
D.
They were thought to be fast learners in childhood, but they failed to make magnificent discoveries.