The right answer for the question that is being asked and shown above is that: "d. among." <span>The secretarial tasks are divided among several people. That is the correct word that is to be used.</span>
The word missing to make the sentence logical is a preposition, which is contained in option d. The idea of the sentence implies collaborative work. When a task is performed by a pair of individuals, the right preposition is between; whereas when referring to a group of individuals, it is necessary to use among. The hint to be able to select the right answer is "several people".
Mount St. Helens is best known for its major eruption on May 18, 1980, the deadliest and most economically destructive volcanic event in U.S. history. ... The 1980 eruption disrupted terrestrial ecosystems near the volcano.