Correct Answer & Explanation
Option D
• 'Convenient' means fitting in well with a person's needs, activities, and plans; easy, useful, or suitable.
• 'Handy' is an accurate synonym meaning useful, easily accessible, or convenient.
• Other options: 'Inflexible' means rigid/adamant, 'Dissimilar' means unlike/contrary, and 'Difficult' is an antonym.