Does criticism mean to refuse someone?

No,

Explanation:

Criticism just means to judge someone based on their faults or mistakes but does not quite mean youu refuse that person yet sometimes that can ba a part of it

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.

if you need any clarification or more explanation pls do mention in the comment section.

      hope this and if it does pls mark as branliest answer thx

question 1: d) the old man continued, "in the long run, what people think about shepherds and bakers becomes more important for them than their own destinies.'"

question 2: d) by providing a different perspective and encouraging the englishman to never give up, the boy him to discover the alchemist.

question 3: c) the stones he gave santiago the boy to recognize omens, which will him on his journey to find his personal legend.

question 4: d) when the englishman wants to quit, santiago doesn’t allow the englishman to give up.

question 5: a) by instructing the englishman to go and try, the englishman is motivated to continue on his journey toward his personal legend.

explanation: