'S' will be the first part of the given sequence as it is in continuation with the previous statement, which is clearly indicated from the word, 'so'. 'R' will come next as it begins with the word, 'yet' and states a contrast to the previous statement. 'P' and 'Q' will follow logically as it further adds information to the topic discussed in the previous statements, that is, these talk about the family of the subject. Hence, SRPQ is the correct sequence. Thus, option (d) is correct.