Read the following passage about How Phone Power Affects User Behavior and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 1 to 5.
A recent study about low-battery anxiety shows interesting results about smartphone users' behavior. The questionnaire (1) __________, collecting over 2,000 responses from Chinese users and some international participants. The research found that 92% of people experience stress when their phone battery is low. About 6% of users suffer from severe anxiety about their battery life. Most users, (2) __________, start feeling worried when the power drops below 30%. The study used special methods to measure how anxious people feel at different battery levels.
(3) __________. These women usually use iPhones and work in companies. In contrast, male freelancers over 35 with Huawei phones show the least anxiety. People with severe anxiety charge their phones more often; additionally, they always carry portable batteries with them. The study also found that 80% of users have used backup power when their battery was dying. (4) __________, although they report feeling anxious about it.
The findings in this work not only reflect the states on how modern people are suffering from the low-battery anxiety but also provide useful instructions and references in several relevant fields. (5) __________.
Operating system designers can use this information to create better battery-saving features that reduce user stress and improve their experience.
(Adapted from huanggy7.github.io)