B. Mr. Williams tried to balance ... as he rushed down the street. 1) a briefcase and coffee. 2) his phone and coffee. 3) his lunch and a backpack. 4) a laptop and a book.

В тексте говорится, что мистер Уильямс пытался удержать равновесие, неся портфель и кофе: "...trying to balance his briefcase and make sense of a new presentation..." Ответ: 1) a briefcase and coffee.