Answer and Explanation:
Apical impulse is the place in the chest where the heartbeat can be palpated. The usual location depends on the morphological type of the person. In a normolineal individual, it is located at the intersection of the 4th or 5th left intercostal space with the left midclavicular line. This point corresponds to the area where the heart is closest to the costal grid thus allowing its palpation in an intercostal space. Usually lasts half of systole.
The blood type of the person donating the kidney must be compatible with the recipients blood type
It is D, sharing appreciation for what is being said. Both A and B aren't crucial to being a good listener, in fact in practice they effectively draw attention to yourself, which would be fine if the question was regarding being a good conversationalist. Additionally, C is just completely irrelevant, that wouldn't even be a good conversation practice, let alone a trait important to listening.
