Because an oversupply of computer chips has sent prices plunging, the manufacturer has announced that it will cut production by closing its factories for two days a month. a. because an oversupply of computer chips has sent prices plunging, b. becuase of plunging prices for computer chips,which is due to an oversupply, c. because computer chip prices have been sent plunging, which resulted from an oversupply d. due to plunging computer chip prices from an oversupply e due to an oversupply, with the result that computer chip prices have been sent plunging,
答案是A, 我想问一下,announced that 这个动作应该是在prices plunging之后的吧,为什么也用的是has sent呢?也想请教一下D(我排除了A之后我就选了D……)给出的解释是d. this backward description of the events behind the announcement of factory closing is confusing and awkward.