"Singular" is is pretty much the same as "one", they both mean a lone object.
Answer: A.
scale
Explanation: Scales are mostly used to compare and contrast, like balancing scale, or a scale from the amount of people in America and in another country.
The answer to the first unknown is "FRATERNAL TWINS" while in the second unknown is "SISTERS". Hence, we have it, Mia and Thalia are very similar to each other especially with respect to their appearances and to each other in the personality trait of openness. While Esther and Hannah are less similar to one another in openness. We can say that Mia and Thalia could be FRATERNAL TWINS, whereas Esther and Hannah could be SISTERS.
The answer is C because he is getting anger
