Kevin has three pieces of wood. Board A is 6 inches long, board B is 11 inches long, and board C is 4 inches long. If the full length of each board is used, can the three pieces of wood be placed together to form a triangle?
a. yes, 11 - 6 > 4
b. no, 6 + 4 < 11
c. no, 11 - 4 < 6
d. yes, 4 + 6 < 11