Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The high temperatures c r e a t e d by fire are necessary f o r t o s p l i t o p e n the s e e d - b e a r i n g cones of lodge pole pines.
A. seed-bearing
B. created
C. are
D. for to split open