In middle-aged adult, multiple role involvement predicts positive well-being, more trusting and positive relations with others, and a positive sense of life purpose when it is accompanied by______.

A) a sense of accomplishment
B) perceived sense of control
C) feeling of youthfulness
D) increased working memory

The question states that multiple role involvement predicts positive well-being, trusting and positive relations with others, and a positive sense of life purpose when accompanied by something. The correct answer is "perceived sense of control," as this would make sense given that having control over one's life and situation would likely contribute to feelings of well-being and positive relationships with others. The other answer choices (sense of accomplishment, feeling of youthfulness, and increased working memory) may also contribute to well-being, but they are not directly related to the question or the concept of perceived control.