在一定条件下，若物体运动的路程s（米）与时间t（秒）的关系式为s=5t²+2t，则当t=4时，该物体所经过的路程为[ ]

A.28米　　　

B.48米　　

C.68米　　

D.88米

Spielberg, _____ mother was a musical teacher, was born in 1964 in a small town in America.

A．whose

B．who

C．that

D．whom