Choose the sentence which is closest in meaning to the sentence above.The response to our appeal was so great that we have to take on more staff.
A.So great was our appeal that we have to take on more staff.
B.Such is the response to our appeal that we have to take on more staff.
C.Such was the responsible to our appeal that we have to take on more staff.
D.Such was the response to our appeal that we have to take on more staff.