Which of the following inferences about the dog is best supported by the text?

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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this is the sentence that best shows that fast food restaurants are designed for using unskilled labor. 

last one is the answer

explanation: in literature, realism focuses on dialogue, characterization, everyday moments and events, the character's psychological development, actions, decisions, as well as believable settings

explanation: