Which of the following underlined word(s) is/are incorrect?

(A) A
(B) B
(C) C
(D) D

The answer is: (C) to participate
Correct: … prevented from participating

(A) A
(B) B
(C) C
(D) D

The answer is: (C) being
Correct: … are considered to be great …

(A) A
(B) B
(C) C
(D) D

The answer is: (D) according
Correct: … change their living style according to the …

(A) A
(B) B
(C) C
(D) D

The answer is: (A) Diamonds
Correct: Diamond, which is …