Meanwhile, the runners continue to score. They score, that is, if they were not to be distracted by the grown-ups — or the butterflies.

A. NO CHANGE

B. Meanwhile, the runners continue to score. They score, that is, if they would not have been distracted by the grown-ups — or the butterflies.

C. Meanwhile, the runners continue to score. They score, that is, if they’re not distracted by the grown-ups — or the butterflies.

D. Meanwhile, the runners continue to score. They score, that is, if their not distracted by the grown-ups — or the butterflies.