A nighthawk is a nocturnal bird, hence the name. Value contrasts create the minute illusions of form in the shining, glossy hair atop the woman’s head, as well as the concavity of the male patrons’ fedoras.
I believe the answers are B. C. and D.
It cannot be A or F. He was not born in Germany, he was born in malaga, span, in 1881. And he was the most influential artist of the 20th century, not the 18th.