题目：
—Can you tell me play with computers?—When he was thirteen years old.
A. where Bill Gates began to
B. where did Bill Gates begin to
C. when Bill Gates began to
答案：
答案：C
题目分析：句意：你能告诉我比尔·盖茨是从什么时候开始玩电脑的吗？他13岁的时候。所选句子做tell的宾语，宾语从句要用陈述语气。答语是表示时间的，故选C。
考点：
