I believe it is C truck farming hope this helps and have a great day! :-)
By looking at the diagram you posted above and my knowledge of Earth Science, I can tell you the position where the gravitational attraction between the Earth and Sun is the greatest is at position A. The correct answer choice will be number 1, a.
~Hello there! ^_^
Your answer: What capital of the country that has a border with Hungary and a coastline on the Black Sea..?
Your answer: Bucharest is the capital of Romania that has a border with Hungary and a coastline on the Black Sea. There are actually 2 capitals that can fit in this term, Ukraine also has a coastline on the Black Sea. The capital of Ukraine is Kiev.
Happy Studying!