Improve the bracketed part of the sentence
The promises he had made (seem) forgotten and yet, they continued to affect him.
The second option is the answer. The given sentence appears in past tense with the use of- 'made' and 'continued'- and so the improvement is to change- seem- to 'seemed'. This brings the sentence to its right meaning and forms proper grammatical sense. Thus, seemed is the right word for improvement in the given sentence.
Corrected sentence- The promises he had made seemed forgotten and yet, they continued to affect him.