Chọn đáp án đúng điền vào chỗ chấm: Last night, the thieves_______ into our house and _____ a lot of precious things while we ________

Last night, the thieves_______ into our house and _____ a lot of precious things while we ________ 
A. is breaking / steal / sleep
B. has broken / stolen / slept
C. were breaking/ stealing / slept
D. broke/ stole/ were sleeping