Answer: C. past excitement to see his friend and present grief over the loss of his friend.
Step-by-step explanation: In the given lines from In Memoriam, A. H. H. by Alfred, Lord Tennyson, we can see that the speaker is standing in front of a house, remembering how he used to feel when he was young and he went there to visit his friend. He expresses his past excitement to see his friend with the phrase "...where my heart was used to beat So quickly, waiting for a hand.." and he also expresses his grief over the loss of his friend: " A hand that can be clasped no more."