Jenny's frog made one jump of 2.34 m. Christina's frog made jumps of 1.22 m and 0.89 m. Round each distance to the nearest tenth of a meter. About how much further did Jenny's frog jump in one jump than Christina's frog in two jumps combined? A. about 0.2 m B. about 0.3 m C. about 2.1 m D. about 2.3 m