The displacement of a particle, moving in a straight line, is given by \[s=2{{t}^{2}}+2t+4\] where \[s\] is in metres and \[t\] in seconds. The acceleration of the particle is [CPMT 2001]

• A.             2 m/s2 
• B.             4 m/s2
• C.             6 m/s2 
• D.             8 m/s2