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(单选题)What’s the author’s attitude towards HUAWEI’ future? (单选题)What’s the best title for the text? (单选题)What’s the disadvantage of HUAWEI Mate 30? (单选题)What impact does the ban have on HUAWEI? (单选题)What can not be inferred about the notice? (单选题)Who wrote the message? (单选题)On which date did Mr. Letterman write the memo? (单选题)（ ） (单选题)— When did you first visit Japan?—As early as the 1990s, but (单选题)Many things might be discouraging in your life, but you don’