Fill each gap with the most appropriate option from the list following the gap. _____ been no official reaction to your request yet?

Fill each gap with the most appropriate option from the list following the gap.

_____ been no official reaction to your request yet?

Answer Details

The most appropriate option to fill the gap is "There's". It is a contraction of "there is". The complete sentence would be: "There's been no official reaction to your request yet."