THE POLICE STARTED INVESTIGATING THE CASE A WEEK AGO.WHICH SENTEN...

149. - DE THI TUYEN SINH DAI HOC DOC 149. - DE THI TUYEN SINH DAI HOC DOC
DE THI TUYEN SINH DAI HOC DOC
149. The police started investigating the case a week ago.Which sentence express the same idea as the above?A. The police have investigated the case for a week. B. The police has investigated the case for a week.C. The police have investigated the case since a week.D The police has investigated the case for a week.