Given below are sentences that use discourse markers/expressions to make them complete. Identify the most appropriate discourse marker/expression and mark your answer accordingly in the Answer Sheet: __________ an unhappy childhood leads to criminal behaviour.

Step-by-step solution

The sentence requires a phrase that provides a context or condition for the statement. 'In some cases' fits perfectly, indicating that an unhappy childhood leads to criminal behaviour in certain situations, but not always. The other options are grammatically incorrect or do not make logical sense in this context. Answer: In some cases