Which sentence correctly uses hyphens

C: The quick-thinking, well-dressed speaker shocked the audience.

b. they require a huge investment of time, dedication ,training, and patience almost from the day they are born.

explanation:

the sentence gives a clear evidence of how carefully the sar dogs are selected and also specify from what time this exercise begins."almost from the day they are are born." this sentence shows as that this exercise begins early.

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because their parents want them to be in the top and get a nice job

explanation: