SC: The technology is aimed [u]to help streamline production

[cesar.rodriguez.blanco]

What is the difference between B and E?

The technology is aimed to help streamline production, while protecting workers and improving oversight and accountability.
A. to help streamline production, while protecting workers and improving
B. at helping to streamline production, while protecting workers and improving
C. to help to streamline production and to protect workers and to improve
D. at helping streamline production and to protect workers, while improving
E. at helping to streamline production and to protect workers, while improving

[chuckberry007]

Is the OA E?

B: technology aim at helping to A, while B and improving C and D.
E: technology aim at helping to A and B, while improving C and D-Parallel.

[r_rampuria]

Ans should be B.

First technology is aimed at something. A person aims to do something. A strategy is aimed at something. Second, we need to maintain // ism which is demostrated by B only.

[cesar.rodriguez.blanco]

OA is B

[RonPurewal]

What is the difference between B and E?

The technology is aimed to help streamline production, while protecting workers and improving oversight and accountability.
A. to help streamline production, while protecting workers and improving
B. at helping to streamline production, while protecting workers and improving
C. to help to streamline production and to protect workers and to improve
D. at helping streamline production and to protect workers, while improving
E. at helping to streamline production and to protect workers, while improving

(b) puts the PARALLEL IDEAS in parallel.
"protect workers and improve oversight & accountability" are both safeguarding tasks to be performed WHILE streamlining production.

(e) puts "streamline production" and "protect workers" in parallel. this doesn't make sense; it's clear from the context that "protect workers" is much more closely parallel to "improving oversight and accountability".