Of the two sentences below, which one makes a more effective thesis statement?
A、There is no question that cell phones have become an indispensable gadget in our daily life.
B、While cell phones provide freedom and mobility, they can also become a leash, compelling users to answer them anywhere and at any time.
C、/
D、/
Of the two sentences below, which one makes a more effective - Final Test期末考试 - 中级英语写作 - U校园 | 大学网课搜题引擎