Which of the following images from Hiroshima is ironic?
A. Dr. Fujii sat down cross-legged in his underwear on the spotless matting of the porch, put on his glasses, and started reading the Osaka Asahi.
B. There, in the tin factory, in the first moment of the atomic age, a human being was crushed by books.
C. Mrs. Nakamura went back to the kitchen, looked at the rice, and began watching the man next door.
D. Mr. Tanimoto was a small man, quick to talk, laugh, and cry. He wore his black hair parted in the middle and rather long.