A construction company is analyzing which of its older projects need renovation. Building B was built two years before building C. Building D was built two years before building B. The product of building B's age and building D's age is at least 195. If xrepresents the age of building C, which inequality represents this situation?
A. x²+8x+16 1155
B. x²+4x+419
C. x²+ 1 ≥ 195
D. x²+5x+8 ≥ 195
