A longer time to maturity will unambiguously increase the value of a call option because:

The longer maturity time reduces the effect of a dividend on call price.

With a longer time to maturity the present value of the exercise price falls.

With a longer time to maturity the range of possible stock prices at expiration increases.

Multiple Cnoice

tonly

$1\mathrm{.}2,$ and $3$

$2$ and $3$ only

$1$ and $2$ only