Until the time of Cantor’s work on set theory in the 1870s, no serious mathematician anywhere in the world, even the giants in t
he field, like Leonard Euler and Karl Gauss, were able to appreciate that infinity can be studied with rigorous precision.(A) even the giants in the field, like Leonard Euler and Karl Gauss, were(B) not even the giants in the field, such as Leonard Euler and Karl Gauss, were(C) not the giants in the field, like Leonard Euler and Karl Gauss, was(D) even the giants in the field, such as Leonard Euler and Karl Gauss, were(E) not even the giants in the field, such as Leonard Euler and Karl Gauss, was
