题目内容：
Apple almost lost its dominance in the smartphone market ________ it became clear that it was difficult to make a call using the much expected iPhone 4.选择一项：
A.
when
B.
that
C.
where
参考答案：
选择题：Apple almost lost its dominance in the smartphone
- 题目分类：国家开放大学管理英语3
- 题目类型：选择题
- 查看权限：VIP
选择一项：
A.
when
B.
that
C.
where