One factor that has contributed to the survival of centenarians is: A their ability to cope effectively with stress. B the lack of stressful events in their lives. C their years of marriage. D their socioeconomic status.

## Step 1<br />The problem is asking us to identify the factor that has contributed to the survival of centenarians. Centenarians are people who live to be 100 years old or more. The options provided are:<br />A) their ability to cope effectively with stress.<br />B) the lack of stressful events in their lives.<br />C) their years of marriage.<br />D) their socioeconomic status.<br /><br />## Step 2<br />We need to consider each option and determine which one is most likely to contribute to the survival of centenarians.<br /><br />## Step 3<br />Option A suggests that the ability to cope effectively with stress is a factor. This is a plausible explanation because stress can have negative effects on health, and the ability to manage stress could contribute to longevity.<br /><br />## Step 4<br />Option B suggests that the lack of stressful events in their lives is a factor. This is less likely to be a significant factor because life is full of stressful events, and it's not possible to completely avoid them.<br /><br />## Step 5<br />Option C suggests that years of marriage is a factor. While marriage can provide emotional support, it's not a direct factor in longevity.<br /><br />## Step 6<br />Option D suggests that socioeconomic status is a factor. While socioeconomic status can influence health outcomes, it's not a direct factor in longevity.