Tess made a mosaic in art class with different-shaped tiles. She started by putting 2 rows of t triangle tiles at the top of the mosaic and 2 rows of c circle tiles at the bottom. She finished by putting 20 square tiles in between the triangle and circle tiles.
Pick all the expressions that represent how many tiles Tess used on her mosaic.

A.) 20 + 2t + 2c
B.) 20 + 4 ( t + c )
C.) 2 ( 20 + t + c )
D.) 20 + t + t + c + c