Sentence Correction

pranavc wrote:1. With no natural predators and expanses of green suburban neighborhoods that allow no hunting, wildlife officials estimate the New Jersey deer population to have grown to exceed 175,000.

(A) With no natural predators and expanses of green suburban neighborhoods that allow no hunting, wildlife officials estimate the New Jersey deer population to have
Incorrect Modifier: Hunting cannot modify wildlife officials

(B) With no natural predators and with expanses of green suburban neighborhoods that do not allow hunting, wildlife officials' estimate of the deer population in New Jersey has
Incorrect Modifier: Hunting cannot modify wildlife officials's estimate

(C) With no natural predators and with expanses of green suburban neighborhoods where there is no hunting, the deer population in New Jersey, wildlife officials estimate, has
SVA Error: neighborhoods...is

(D) Without natural predators and no hunting allowed in expanses of green suburban neighborhoods, New Jersey has a deer population that wildlife officials estimate to have
Correct Modifier: Green suburban neighborhoods correctly modifies New Jersey.

(E) Without natural predators and with expanses of green suburban neighborhoods where there is no hunting, wildlife officials in New Jersey estimate a deer population that has
Incorrect Modifier: Hunting cannot modify wildlife officials

2. Whereas high speeds generally cannot be achieved by ramjets without their initially being assisted by a rocket, a scramjet, or supersonic combustion ramjet, can attain high speeds by reducing airflow compression at the entrance of the engine and letting air pass through at supersonic speeds.

(A) Whereas high speeds generally cannot be achieved by ramjets without their initially being assisted by
being should be avoided in GMAT's SC

(B) Whereas a ramjet generally cannot achieve high speeds without the initial assistance of
Correct Choice: Parallel and shows contrast in the statement.

(C) With ramjets, high speeds generally are not able to be achieved without initially being assisted by
being should be avoided in GMAT's SC + missing contrast

(D) Unlike with ramjets, generally unable to achieve high speeds without the initial assistance of
Not Parallel: the phrase should follow the same verb: cannot....

(E) Although a ramjet generally does not have the capability of achieving high speeds without the initial assistance from
Not Parallel

Any input will be appreciated. Thanks in advance.