Between A and C.
A. Using the latest technology and trendy designs, electronics companies develop one gadget after anotheras doing so -->Correct
C. Using the latest technology and trendy designs, electronics companies develop one gadget after anotheras it -->Incorrect, pronoun issue
In between 'As doing so' and 'as it/ as doing it'...For GMAT, Over thousand times 'As doing so'![Image]()
...
A. Using the latest technology and trendy designs, electronics companies develop one gadget after anotheras doing so -->Correct
C. Using the latest technology and trendy designs, electronics companies develop one gadget after anotheras it -->Incorrect, pronoun issue
In between 'As doing so' and 'as it/ as doing it'...For GMAT, Over thousand times 'As doing so'
...
.jpg)
