Question

today, we can expect to live much more than...

• twice as long as our ancestors.
• five times as long as our ancestors.
• four times as long as our ancestors.
• three times as long as our ancestors.

Explanation:

Historical data shows that pre-modern human life expectancy was roughly 30-35 years, while global average life expectancy today is over 70 years, which is approximately twice that figure.

Answer:

A. twice as long as our ancestors.