The correct answer is: A. Arabian Sea
The Arabian Sea is a marginal sea of the Indian Ocean, lying between India to the west, Pakistan and Iran to the northwest, Oman and the United Arab Emirates to the northeast, and Yemen to the east. It is bordered by the Gulf of Aden to the northeast, the Gulf of Oman to the northeast, and the Laccadive Sea to the south.
The Arabian Sea is a major shipping route, connecting the Indian Ocean with the Persian Gulf and the Red Sea. It is also a major fishing ground.
The Arabian Sea is home to a number of important oil and gas fields.
The Arabian Sea is a popular tourist destination, with a number of beaches and resorts.
The Arabian Sea is a beautiful and diverse body of water, with a rich history and culture.
Option B, Pakistan, is incorrect because Pakistan is located to the north of Gujarat.
Option C, Rajasthan, is incorrect because Rajasthan is located to the east of Gujarat.
Option D, Madhya Pradesh, is incorrect because Madhya Pradesh is located to the southeast of Gujarat.