Text Structure and Purpose

SAT Reading and Writing· difficulty 4/5

Many physicists describe quantum theory as fundamentally probabilistic. A minority view holds that the apparent probabilities are an artifact of incomplete description. According to advocates of this view, an underlying deterministic theory might one day reproduce the predictions of standard quantum mechanics while restoring a more classical picture of physical reality.

Which choice best describes the function of the second sentence in the text?

  • A

    It introduces a minority position that the third sentence develops.

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  • B

    It defines the term 'probability'.

  • C

    It restates the consensus introduced in the first sentence.

  • D

    It refutes quantum theory altogether.

Explanation

The minority view introduced in sentence two is fleshed out in sentence three. B captures this introducing function.

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