None of the options seems to be right in this question. Would love to hear the official explaination.
A. Although the United States remains a hotbed of technological innovation, wide-scale labor outsourcing to lower-wage countries like India and Pakistan has led to a weaker domestic job market. -
Usage of like is wrong, such as should be usedB. Although it remains a hotbed of innovation, the United States' technology job market has weakened due to wide-scale labor outsourcing to lower-wage countries such as India and Pakistan -
It refers to the United States' , its should be usedC. Although the United states remains a hotbed of technological innovation, the domestic job market has weakened due to wide-scale labor outsourcing to lower-wage countries such as India and Pakistan. -
Usage of due to is wrong. You can't replace due to with caused by here. "Due to" should be replaced with "because of"D. Wide-scale technology job market outsourcing to lower-wage countries like India and Pakistan has led to a weaker domestic job market in the United States, even though it remains a hotbed of technological innovation. -
Usage of like is wrong, such as should be usedE. Although the United States remains a hotbed of technological innovation, labor outsourcing to lower-wage countries such as India and Pakistan have led to a weaker domestic job market. -
S-V agreement error. labor outsourcing [...] have led [...]. It should be "has led"