The sentences A and D have the same verb: <em>feel</em>, in the past tense:<em>felt</em>. In the first case (A), <em>The nurse felt my pulse</em>, <em>felt </em>has the function of an<em> action </em>verb, with the<em> direct object</em>: <em>my pulse</em>. In the sentence D,<em> I felt much better, </em>there is a <em>linking verb</em>:<em> felt. </em>In this case, the sentence has a <em>subject complement.</em>
Explanation: seventeen years later, see if you re-read this part: "Anne laughs as she discovers us watching her seventeen years later." She means watching HERSELF seventeen years later.