Multiple choice

Directions: A part of the sentence that has been underlined may have an error. Select the option that is the most coherent and precise representation of the underlined part.

Seldom have the mathematical theories of games been of practical use in playing real games, although our comprehension of the selection process from among variables may have enhanced.

  1. although our comprehension of the selection process from among variables may have enhanced

  2. although our comprehension of the selection process from among variables may have been enhanced

  3. although they may have enhanced our comprehension of the selection process from among variables

  4. although they may have led to enhance our comprehension of the selection process from among variables

  5. although our general comprehension of the selection process from among variables may have been enhanced
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The subject of the second clause should refer back to 'mathematical theories' (they), not 'our comprehension'. The theories may have enhanced comprehension - comprehension doesn't enhance itself. Active voice 'they may have enhanced' is clearer than passive.

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