(37) _______ have our personalities changed, too?

ANSWER C

Explain:

Knowledge of conjunctions

A. So: so → does not match in meaning

B. However: however → after “however” there is a comma

C. But: but

D. And: and → do not match in meaning

Information: But have our personalities changed, too? Smartphones allow us to access information in no time at all. Research demonstrates that 80% of people will not wait more than 30 seconds for a video to load.

But do our personalities change? Smartphones allow us to access information quickly. Research proves that 80% of people won’t wait more than 30 seconds for a video to load.