Plz help Read the following paragraph:

Like other marine mammals, whales get oxygen from the air, not the water. Whales have a blowhole on the top of their heads to inhale and exhale oxygen from the water’s surface. Another feature they share with other mammals is the way they produce young. Whale calves stay inside their mothers until they are born.

Which topic sentence best introduces the paragraph?

A.
Although whales live in the water, they are not so different from other mammals.
B.
Whales do not lay eggs to give birth to their babies.
C.
Some whales may have teeth while others have baleen plates that help filter food.
D.
Whales are the largest animals on Earth today.
E.
Whales make sounds to communicate with one another.

Read the excerpt from act 3 of a doll’s house. mrs. linde: you seemed to me to imply that with me you might have been quite another man. krogstad: i am certain of it. mrs. linde: is it too late now? krogstad: christine, are you saying this deliberately? yes, i am sure you are. i see it in your face. have you really the courage, then—? mrs. linde: i want to be a mother to someone, and your children need a mother. we two need each other. nils, i have faith in your real character—i can dare anything together with you. krogstad [grasps her hands]. , , christine! now i shall find a way to clear myself in the eyes of the world. ah, but i forgot— how does the conflict in this passage develop a theme? mrs. linde creates a conflict by promising something she cannot give to krogstad, which develops the theme that empty promises can destroy relationships. krogstad continues the conflict by choosing clearing his name over having a life with mrs. linde, which develops the theme that you must often choose yourself over others. krogstad creates a conflict by deceiving mrs. linde about his intentions, which develops the theme that, in love, actions speak louder than words. mrs. linde resolves the conflict by committing to a new life with krogstad, which develops the theme that new beginnings are always possible.