The correct answer is: A. automating
U.S. companies are automating their production processes in order to combat foreign competition. Automation can help companies to reduce costs, improve efficiency, and produce higher quality products.
Option B is incorrect because U.S. companies are not ignoring the situation. They are actively taking steps to improve their competitiveness.
Option C is incorrect because U.S. companies are not seeking import tariffs. Import tariffs are taxes that are imposed on imported goods. They can help to protect domestic industries from foreign competition, but they can also increase prices for consumers.
Option D is incorrect because U.S. companies are not decreasing the salaries of their employees. Decreasing salaries can help to reduce costs, but it can also lead to employee turnover and decreased productivity.
Option E is incorrect because U.S. companies are taking a variety of steps to combat foreign competition, including automation.