Although after-school sports can improve the health and well-being of

The argument is good, but answers are poorly constructed, please someone explain why my reasoning is flawed.

The conclusion: students who spend much of their time after school playing sports are at a significant disadvantage in the classroom compared with kids who do not play sports
Pre-thinking:
In order to weaken the argument we must show that the kids who don't do sports:
1. Spent time after-school doing other activities but sport
2. Kids who do sports spent the same time on homework as other kids

A) Many student athletes have stated that they find it difficult to find a balance between their commitment to their sports team and their commitment to schoolwork. - Commitment has nothing to do with argument, thus Out of Scope
B) The skills learned through playing sports, such as teamwork and dedication are not always directly transferable to the classroom. - strengthen
C) A recent survey showed that kids who play sports after school spend at least one hour studying each night. - could be BE, but we know nothing to other kids who don't do sports. They might spent 1 hour as well or more.
D) Some kids who do not play sports participate in other time-intensive after-school activities such as plays, choirs and dance ensembles. - SOME, it could be 1% of KIDS who do not play sports or 99%. So let's imagine we have a class of 100 students, 20 of them do sports, 80 don't. Out of those 80, let's take it to extremes:
1 kid participates in other activities - does this weaken the argument? NO, cause 1 kid doesnt represent majority. Cause 79 kids might spend time doing homework.
79 kids participate - this does weaken.
But testing extreme didn't provide solid answer.
I would agree with this answer, if it stated:
ALL
Majority
or Simply KIDS
E) Most after-school sports programs require only two hours of practice per day. - OFS, cause we don't care about program length

option A, B and E are out of scope options so eliminate
infact option A and B are sort of strong or weak strengtheners
option C talks about some kids and also we don't know if 1 hr of studying is enough or not
option D tells us that some kids who do not play sports after school are engaged in some other activities and thus a weakener
Correct answer - D

Isnt the some kids misleading in option D here?
Hence i chose option C.

D...basically because a couple of kids are into after school activities as theater hence not having sufficient time to study validates that kids playing sports after school are not at a disavantage with school grades.....not clear that is a solid argument, unless we assume that some might related over 50 % in which case would be the majority then it would level students playing sports with those not playing sports...

Are some kids strong enough to weaken the arguement?
We don't know how much time these kids spend.

D is the better option here - although I believe that the word ‘Some’ in the option text is not correct... Most or All would have made more sense...

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I don't understand the reasoning behind D. Ensembles and choirs are still not studying or homework-related. How can it be taken as a reason that participation in these activities amounts to better grades?

A) Many student athletes have stated that they find it difficult to find a balance between their commitment to their sports team and their commitment to schoolwork.
This lends support to the passage that sports take a lot of time children leading to unbalanced school work management

B) The skills learned through playing sports, such as teamwork and dedication are not always directly transferable to the classroom.
This too is supported by the passage since it adds to claims that school work is not enhanced

C) A recent survey showed that kids who play sports after school spend at least one hour studying each night.
This doesn't address all the section of the class what happens to other section of the class as of how many hours they are endrossing in studying

D) Some kids who do not play sports participate in other time-intensive after-school activities such as plays, choirs and dance ensembles.
This certainly weakens since it states that even if students do not spend their time on sports they do waste their time on other activities which equally impair them in not maintaining school work management

E) Most after-school sports programs require only two hours of practice per day.
Similar reasoning as C
Therefore IMO D