To answer this question, we need to analyze the given information.
The question states that Sachin got out on exactly 100 runs in the Singapore Cup, and he was stumped. We need to identify which off-spinner was responsible for taking Sachin's wicket.
Let's go through each option to determine the correct answer:
Option A) Harbhajan Singh - This option is incorrect because Harbhajan Singh is an Indian off-spinner, and the question refers to the Singapore Cup.
Option B) Mushtaq Ahmed - This option is incorrect because Mushtaq Ahmed is a Pakistani leg-spinner, not an off-spinner.
Option C) Arshad Khan - This option is incorrect because Arshad Khan is a Pakistani left-arm spinner, not an off-spinner.
Option D) Saqlain Mushtaq - This option is correct because Saqlain Mushtaq is a Pakistani off-spinner. He is well-known for his variations and was a key player in the Pakistani cricket team. Therefore, the correct answer is option D.
In conclusion, the correct answer is D) Saqlain Mushtaq because he is an off-spinner who could have stumped Sachin on exactly 100 runs in the Singapore Cup.