They feel great anxiety about his sickness.

They feel great anxiety about his sickness.
A.他的病情让他们感到安。
B.他的情况让他们感到焦虑不安。
C.他的病情让他们感到焦渴。
D.他的病情让他们感到焦虑不安。
正确答案：他的病情让他们感到焦虑不安