The writer wants to clearly demonstrate the relationship between ideas in the third paragraph. Which version of sentence 8 (reproduced below) most successfully supports this goal? A. (As it is now)

B. Experts from NASA note that technology does, indeed, solve many of the problems.

C. It is important to do additional research to determine how to keep astronauts healthy during long-term missions.

D. One experiment, sponsored by the Italian Space Agency (ASI), is measuring brain activity to track and hopefully diminish the harmful effects of space travel.

E. NASA has initiated something called the Human Research Program (HRP), which has already funded over 300 grants to teams of scientists working to solve these problems.