She related a severe illness. She realized the importance of good health only then.

Knowledge: Inversion

Explain:

But for + N, S + could have P2: If not because/yes … then already… (conditional sentence type 3)

Only after + S + V + auxiliary verb + S + V: Only after … then…

Not until S + V + auxiliary verb + S + V: Until… then…

Hardly + had + S + P2 + when + S + V-simple past: Just… then…

She contracted a serious illness. Only then did she realize the importance of good health.

A. Had it not been for her to realize the importance of good health, she might have contracted a serious illness. => wrong meaning (in fact, she is already sick)

B. Only after she contracted a serious illness did she realize the importance of good health.

C. It was not until she realized the importance of good health that she contracted a serious illness. => wrong meaning

D. She had just realized the importance of good health when she contracted a serious illness. => wrong meaning

Select REMOVE