Although we are concerned A about the problem of energy sources, we must not B fail recognizing C the need for D environmental protection.

Question

Although we are concerned A about the problem of energy sources, we must not B fail recognizing C the need for D environmental protection.

Accepted Answer

সঠিক উত্তর: C। ব্যাখ্যা:

Although we are $\frac{c o n c e r n e d}{A}$ about the problem of energy sources, we $\frac{m u s t n o t}{B}$ fail $\frac{r e c o g n i z i n g}{C}$ the need $\frac{f o r}{D}$ environmental protection.