Final Answer:
The answer is (4) Mr. Rudyard tripped over the tools the children had dropped.
Step-by-step explanation:
Mr. Rudyard’s plan to capture the children while they were working on the farm was foiled when he tripped over the tools the children had dropped on the ground. This unexpected obstacle prevented him from successfully carrying out his plan.
Firstly, option (1) Will came and saved the children is not a valid answer as there is no mention of anyone named Will in the given question.
Secondly, option (2) The children were on a boat and crossed the river is also not a correct answer as there is no mention of a boat or a river in the question.
Thirdly, option (3) The dog ate the biscuits instead of chasing the children is not a valid answer as there is no mention of a dog or biscuits in the question.
Lastly, option (4) Mr. Rudyard tripped over the tools the children had dropped is the correct answer as it is mentioned in the question that the children had dropped the tools on the ground, and Mr. Rudyard tripped over them.
In conclusion, the correct answer is (4) Mr. Rudyard tripped over the tools the children had dropped.