If the value of (a + b - 2)2 + (b + c - 5)2 + (c + a - 5)2 = 0, then the value of \(\sqrt {{{\left( {b + c} \right)}^a} + {{\left( {c + a} \right)}^b} - 1} \) is:

• A. 1
• B. 0
• C. 3
• D. 2