AMC 8 1992 Problem 13

Five test scores have a mean (average score) of $90$, a median (middle score) of $91$ and a mode (most frequent score) of $94$. The sum of the two lowest test scores is $\text{(A)}\ 170 \text{(B)}\ 171 \text{(C)}\ 176 \text{(D)}\ 177 \text{(E)}\ \text{not determined by the information given}$