Answer:
A). "very gifted" and "who would succeed"
Step-by-step explanation:
Word choice always plays a crucial role in conveying the intended message or idea to the readers effectively. As per the question, the use of phrases like 'very gifted' and 'who would succeed' signal that Schweitzer has the potential to do something great in his life and he is assured to succeed in his life. The descriptions offered with these phrases show that all the people surrounding him knew at a very tender age that he possesses that talent naturally and therefore, he would surely do something extraordinary in his life. Thus, option A is the correct answer.