A. He is expressing his doubt whether we will ever live in a utopia.
B. He is describing Ranganathan's doubt whether we will ever live in a utopia.
C. He is clarifying to the reader that Ranganathan is being facetious in his supposition.
D. He is downplaying the inaccuracy of Ranganathan's supposition.
E. He is providing an example of the humor in Ranganathan's writing.
我的答案: 无