Studies of Japanese Atomic Bomb Survivors Demonstrate That the Incidence

Multiple Choice

Studies of Japanese atomic bomb survivors demonstrate that the incidence of leukemia has ______ since the late 1940s and early 1950s,and the incidence of solid tumors has continued to ______ since the late 1950s and early 1960s.

A) slowly declined,escalate
B) increased rapidly,decrease
C) increased slowly,decrease
D) rapidly declined,decrease