Identify the choice that best describes the problem.

To run a four-minute mile, excellent physical condition is important.

a. phrase fragment
b. dangling modifier***
c. run-on sentence
d. misplaced modifier

Well, if I had excellent physical condition, I'd definitely be running a four-minute mile... in my dreams! But let's get back on track here. The best choice that describes the problem is b. dangling modifier. Keep those modifiers in their proper places, folks!

The choice that best describes the problem is b. dangling modifier.

Explanation:
A dangling modifier is a type of modifier that does not have a clear connection to the word or phrase it is supposed to modify. In this sentence, the phrase "to run a four-minute mile" is a dangling modifier because it does not have a clear subject to modify.

To fix the dangling modifier, we need to provide a subject for the modifier to modify. For example:

"To run a four-minute mile, one must be in excellent physical condition."

is it d?

Yes. Excellent physical condition is required to run a four-minute mile.

No. physical condition does not run a four-minute mile.