C because of the apostrophe after the s which indicated that they both participated
Answer:
If the choices are:
A) Luis and Carlo decided to open a lemonade stand.
B) Luis and Carlo are planning to be entrepreneurs.
C) They made a sign that said: “Fresh Cold Lemonade!”
D) Luis and Carlo gave away the money to help a homeless shelter.
Then it is D.
Explanation:
Luis and Carlo help others with what they earned
The phrase "mechanically fastened another button of his shirt and did not reply" shows that "absently" means not paying attention.
<h3>The meaning of "absently"</h3>
It is common for authors to use context clues when they introduce a word readers may not know. Context clues are pieces of information that help readers figure out the meaning of that word.
In the passage we are analyzing here, it is possible to infer the meaning of "absently" when we read the phrase that says "mechanically fastened another button." When we do something mechanically, we do it automatically, without giving it much thought.
In other words, we do it without paying attention. That is precisely what "absently" mean. Thus, the phrase helps us figure out the meaning of "absently."
Learn more about context clues here:
brainly.com/question/24750804
I believe that the message the author is trying to convey in this excerpt is that humans need to take action to end further destruction of the natural environment, because if they don't, more and more species will disappear.