Discussion

Explanation:

The passage talks about how the issue of whether a single cone or two cones should be purchased was not economical but that of morality. The author infers from his elder’s behaviour that that was the only justification.

The meanings of the options are:
Didactic means ‘teaching or intending to teach a moral lesson’.
Dietetic means ‘pertaining to diet or to regulation of the use of food’.
Dialectic means ‘pertaining to, or of the nature of logical argumentation’.
Diatonic means ‘pertaining to the tones, intervals, or harmonies of such scales’.
Diastolic means ‘indicating the arterial pressure during the interval between heartbeats’.
Hence, the correct answer is option 1.

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