Correct option is A
The correct option to fill in the blanks is (a) sleek ; interface ; sought-after.
• "Sleek" (चमकदार/आकर्षक) fits best to describe the
design of a smartphone.
• "Interface" (इंटरफ़ेस) refers to the user control system.
• "Sought-after" (बहुत माँगा गया) is suitable for popular gadgets.
Explain why other options are incorrect:
· (b) Interface can't be the design; it’s the control system.
· (c) “Sought-after design” doesn’t sound natural in the first blank.
· (d) Illogical arrangement, “interface” doesn’t describe design.