HELP Which inference is BEST supported by the information in paragraphs 3 and 4 of “Is Online Brain Training Actually Effective?”

A.
The benefits of brain-training programs cannot be measured.

B.
Brain-training programs can only improve specific aspects of intelligence.

C.
Brain-training programs are effective at improving performance on specific tasks.

D.
Studies indicating that brain-training programs lead to increase in memory and intelligence are flawed.

for me, balancing all your work/homework is the hardest part in high school and the exams.

an interrogative sentence is a type of sentence that asks a question, as opposed to sentences that make a statement, deliver a command, or express an exclamation. interrogative sentences are typically marked by inversion of the subject and predicate; that is, the first verb in a verb phrase appears before the hope i

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  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.