问题

xa0;Smith as well as his daughters, visit Beijing this summer.
A:;is;going;to;;;;;;;;;
B:;are;going;to;;;;;;;;
C:;was;going;to;;;;;;;;D.;were;going;to;
D:;were;going;to;
B:;are;going;to;;;;;;;;
C:;was;going;to;;;;;;;;D.;were;going;to;
D:;were;going;to;
正确答案是: