The little boy is dirty from head to foot because he ________ in the mud all morning.

　　A. has played　　　　　　　　　　 B. is playing

　　C. has been playing　　　　　　　　D. was playing

The little boy is dirty from head to foot because he______in the mud all morning.

　 A. has played 　      B. is playing

　 C. has been playing 　 D. was playing

The little boy is dirty from head to foot because he ________ in the mud all morning.

　　A. has played　　　　　　　　　　 B. is playing

　　C. has been playing　　　　　　　　D. was playing

The little boy is dirty from head to foot because he ___ in the mud all morning.        

 The little boy is dirty from head to foot because he ___ in the mud all morning.